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 0x9101a8397503d9a79f48b9beb5476e4f8a6a08c608c9de316f0a3d17bffa041a. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1113894-6515-450e-ace1-41aab94666d7.json and https://artists.proofprofile.net/proofs/artist/f1113894-6515-450e-ace1-41aab94666d7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Love And Beauty…plus (The Complete Invictus Masters)
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 0xdebf94fda030281cfa27594d3ec6fd834b5b2e204d91c697b67d15b1af8bc2e9. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/GBBLG7300077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9134510eff8c82f299f83d205623b9314f3026ebca5bcd2a81db9b1374c1d9e1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBBLG7200120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e19bf88260115981ff1114d3dabc61438e014b6c04c23a837eb0522b9c78056. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/GBBLG7300078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c5f716cc36938636b90f1da53e09b6ebe6c53dc39fc351cdfea3bf1acf26dc. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:50:27Z), 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/GBBLG7200122.
Don’t Leave Me Starvin’ For Your Love (Part 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf92a692e73e357f33237b86c16bdfda04f6f3a90c9c392005b7e6b12d56e8332. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:53:01Z), 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/GBBLG7200118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea525014f9baccde4a06b694dd0106867ed3430ae59d1908659c8eb783f13664. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/GBBLG7400080.
Backbeats Artists: Holland-Dozier - the Creative Corporation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea525014f9baccde4a06b694dd0106867ed3430ae59d1908659c8eb783f13664. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/GBBLG7400080.