1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdfce44a9cc1abe2d22670e2229ab62fd1dd92941b5d21e317d0dfb71fdc74ab. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08839c6f-b63b-40d8-b9c5-a8f266eccf89.json and https://artists.proofprofile.net/proofs/artist/08839c6f-b63b-40d8-b9c5-a8f266eccf89.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Koigo Psalmy - Iz 12 - Będziecie czerpać ze zdrojów zbawienia
Koigo Psalmy - Psalm responsoryjny Ps 42 - Boga żywego pragnie moja dusza
Psalmy - Psalm responsoryjny Ps 19 - Słowa Twe Panie dają życie
Koigo Psalmy - Psalm responsoryjny Ps 30 - Sławię Cię Panie
Koigo Psalmy - Psalm responsoryjny Ps 51 - Stwórz, o mój Boże, we mnie serce czyste