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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0ea60bbceb01ad4d426046e779e86748475ee7e8d139cc942efd0777326926. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a99d3980-e4cb-4847-94fc-5aaefbfc253e.json and https://artists.proofprofile.net/proofs/artist/a99d3980-e4cb-4847-94fc-5aaefbfc253e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
AMBULANCE YA NAMETSA (Instrumental Version)
Banaka Nako Ea Me E Haufi (Lekompo Version)
From Zer0 t0 Her0 (Tribute to Shebeshxt)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a1203562d70f9db547eaac47051d51502ac13d3b639458effec5c62d556fc4. Chain 2 (Bitcoin): anchored in block 959069 (2026-07-22T01:06:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLS2465760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105d4214278c6cb0a2475f6592f0ff2cf2d463d56408f0cbefcdf8f16e3e9404. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:52:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62537129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fac5c3cb622a792036dc2992caedc1c18b11cc0eeb6d0026d55aa2fac172538. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2563870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0bdb6a6418e6148f50ae61035ad9adbdd2eb6ada26051577578a7dcde9ca905. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2565795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d71c54e193e70afb2c4ec81810f2a2034050f2d55cf0d347042c1b97fbb45c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBD2583656.