Opentimestamps Python Packages

opentimestamps

Create and verify OpenTimestamps proofs

178K 118 48

opentimestamps-client

OpenTimestamps client

107K 425 118

nenrin-verify

NENRIN: tree rings for AI facing services. Bitcoin-anchored public ledger, open witnessing, and an MCP server for verifiable Japanese construction estimates. The operator cannot delete a valid record.

6K 2 5

polaris-oid4vp

Polaris ID: identity infrastructure built to be checked, not trusted. polaris-oid4vp 1.0.0rc7 is OpenID Certified (OpenID4VP 1.0 + HAIP 1.0 Verifier), tested against 14 outside implementations. ML-DSA-65 under an audited algorithm-migration path; issuer-unlinkable, duress-aware. Pre-pilot.

5K 5 0

polaris-verify

4K 5 0

crovia-tacet

TACET — verifiable silence for AI training-data disclosure. Hourly epochs opened by drand, closed by Bitcoin; a public predicate over model cards; offline-verifiable proofs of absence as crovia.seal.v1. Spec, reference, conformance vectors, live operator.

3K 0 0

polaris-sdk-python

3K 5 0

git-ots

Anchor Git commit history in Bitcoin using OpenTimestamps.

930 0 0

a2a-conduct-walk

892 2 5

verify-proof

Verify blockchain-anchored timestamp proofs offline. Python CLI + MCP server for SHA-256 and Merkle-path verification of ProofLedger and OpenTimestamps proofs.

820 0 0

polaris-id-cli

Polaris ID: identity infrastructure built to be checked, not trusted. polaris-oid4vp 1.0.0rc7 is OpenID Certified (OpenID4VP 1.0 + HAIP 1.0 Verifier); tested against 15 outside implementations, and one wallet project runs its verifier in CI daily. ML-DSA-65 under an audited algorithm-migration path; issuer-unlinkable, duress-aware. Pre-pilot.

369 5 0

bitseal

Official Python SDK and offline verifier for the BitSeal cryptographic proof-of-existence service. BLAKE3 Merkle trees, Ed25519 signatures, optionally Bitcoin-anchored via OpenTimestamps. Verifies seals end-to-end without trusting the BitSeal service.

286 1 0

gpa-verify

Independent verifier for GetProofAnchor evidence bundles

242 0 0

orphograph-mcp

Empirical notary: hash locally, OpenTimestamps, Bitcoin-anchored receipts. MCP server + CLI + GitHub Action.

234 0 0

pluginfer

Provable AI spend. Every call metered, signed, and independently verifiable - budget overruns refused before the money leaves.

224 0 0

chain-of-consciousness

Cryptographic provenance protocol for autonomous AI agents — tamper-evident hash chains with Bitcoin OpenTimestamps anchoring. Part of the Agent Trust Stack.

178 0 0

umarise-core-sdk

Anchor any file to Bitcoin with one API call. Hash-in, proof-out. Zero dependencies.

164 0 0

crovia

Crovia substrate — the 2026 archive: autonomous collectors, Ed25519-signed observation envelopes, batch Merkle seals, OpenTimestamps anchors, Phase-0 truth post-processors. Superseded for live observation by TACET (croviatrust/countersign).

153 5 1