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 0x2542c5a2ed7cae4faa746b3c8007cc94b9d6017359ed4f12926c45b66d9e25fa. Chain 2 (Bitcoin): anchored in block 953730 (2026-06-15T02:47:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/947d0f31-ad5a-4cbd-bb63-c3b6ffcb7793.json and https://artists.proofprofile.net/proofs/artist/947d0f31-ad5a-4cbd-bb63-c3b6ffcb7793.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x771b6d4f669dedb693a5567544606a62ba1bb33dfc9b8260968ef91ffda68103. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:07:49Z), 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/QZFYZ2170490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d99592e26f8ca5a0e6c9ba78fff8f7ce10e25271a1644fab908f70709c1a303. 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/QZMEP2270110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48aa0d7d70fd497eee847ba75cec4e585a5910c531354dc596c6436b5a9c858. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/QZSYP2363842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde69f533b4d7563dec3678c0807c5338841d6c6259a120dc80385e9536dc8821. 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/QZSYP2398529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75a77b05c96fedfe2d8e80df385f29fcc28f9356e18c7fe93d69c8b3676f0c71. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZSYP2364466.
If I Can't Have Love (God Then Please Just Give Me Money)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb963b313ee0750f2a8b55d39840c69817e77fc1433906c9619ff9d2a6ba6eae1. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/QZTLA2458480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716fc26ea4285683e033f94b010b3235996d9a8f04e11a997957b532b5db1f8f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMV8L2029209.