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ots-cvm

ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.

Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.

Run

Local development:

bun install
bun run dev

Easy deployment with the published image:

docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest

Docker:

docker compose up --build

Environment

Main environment variables:

  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug

Optional environment variables:

  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only

Create a local .env file before starting the service:

cp .env.example .env

Then edit .env and set at least SERVER_PRIVATE_KEY.

Notes:

  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.

Docker runtime

Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.

docker compose up --build

To run the published image directly, pass the same variables with --env-file:

docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest

The container persists runtime data in data/ and exposes logs through docker compose logs.

For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.

About

No description, website, or topics provided.

Resources

Readme
MIT license
Activity

Stars

0 stars

Watchers

0 watching

Forks

0 forks
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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
About
No description, website, or topics provided.
Resources
Readme
MIT license
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0 stars
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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var style = document.createElement('style');
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
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}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
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span.className = 'userscript-highlight';
span.textContent = part;
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} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
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Array.from(node.childNodes).forEach(highlight);
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highlight(document.body);
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mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
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observer.observe(document.body, { childList: true, subtree: true });
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}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
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return changed ? u.toString() : url;
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return url;
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}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
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if (node.nodeType === 1) {
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node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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var lastUrl = location.href;
setInterval(function() {
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lastUrl = location.href;
setTimeout(tryTheater, 500);
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observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
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function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
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});
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var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
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filter: invert(1) hue-rotate(180deg) !important;
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ots-cvm
ContextVM server for creating and verifying OpenTimestamps-backed NIP-03 attestations for Nostr events.
Verification uses a public Bitcoin JSON-RPC API and does not require running a local Bitcoin node.
Run
Local development:
bun install
bun run dev
Easy deployment with the published image:
docker pull ghcr.io/contextvm-org/ots-cvm:latest
docker run --rm --env-file .env -v ./data:/app/data ghcr.io/contextvm-org/ots-cvm:latest
Docker:
docker compose up --build
Environment
Main environment variables:
  • SERVER_PRIVATE_KEY: hex-encoded Nostr secret key used by the server
  • RELAYS: comma-separated relay URLs for fetch and publish operations
  • ATTESTATION_RELAYS: comma-separated relay URLs used specifically to publish NIP-03 attestation events
  • BITCOIN_API_URL: Bitcoin JSON-RPC endpoint used by verification
  • LOG_LEVEL: info or debug
Optional environment variables:
  • SQLITE_PATH: SQLite database file path
  • OTS_DATA_DIR: directory used for cached proof files
  • OTS_PROOF_TTL_DAYS: retention window for proof artifacts written to OTS_DATA_DIR (default: 30)
  • OTS_VERIFY_CACHE_DIR: directory used by Python verification upgrades to cache calendar responses
  • OTS_VERIFY_CACHE_TTL_DAYS: retention window for verification cache files (default: 3)
  • CLEANUP_INTERVAL_MINUTES: how often expired filesystem artifacts are removed (default: 1440, once per day)
  • OTS_CALENDARS: comma-separated OpenTimestamps calendar URLs
  • OTS_PYTHON_BIN: optional Python executable override for local host development only
Create a local .env file before starting the service:
cp .env.example .env
Then edit .env and set at least SERVER_PRIVATE_KEY.
Notes:
  • SERVER_PRIVATE_KEY is the only variable you should treat as required for production.
  • RELAYS, ATTESTATION_RELAYS, BITCOIN_API_URL, and LOG_LEVEL are optional because the app has defaults.
  • .env.example contains the minimal starter template for local and Docker usage.
  • docker-compose.yml already loads values from .env via env_file, so Docker deployments only need that file present next to the compose file.
  • Proof and verification cache files are cleaned up automatically on startup and periodically afterwards using the configured TTL values.
Docker runtime
Docker bundles Bun, Python, and the OpenTimestamps dependencies. No extra Python setup is needed on the host.
docker compose up --build
To run the published image directly, pass the same variables with --env-file:
docker run --rm \
--env-file .env \
-v ./data:/app/data \
ghcr.io/contextvm-org/ots-cvm:latest
The container persists runtime data in data/ and exposes logs through docker compose logs.
For Docker deployments, you normally do not need to set OTS_PYTHON_BIN.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages