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 0x8019fb3035a37671f6836cf072ae7b392f984fd501453d158c9a95246adb8d01. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/78102710-6249-4b88-a2b8-3d52e2240f57.json and https://artists.proofprofile.net/proofs/artist/78102710-6249-4b88-a2b8-3d52e2240f57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Dance (Live from The Black Boot Sessions)
Down the Drain (Live from The Black Boot Sessions)
You and I (Live from The Black Boot Sessions)
Devil I Don't (Live from The Black Boot Sessions)
The Black Boot Sessions (Live from The Black Boot Sessions)
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 0x46dd17a24b0856ad189d566768c60f68c3fac855125afc94eea5621ab017bce0. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/QMDPP2402116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b85aa253b46570cf5daaa5338d892cc1b2d1ebcba919e9adf3b2d119e4acbef. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QMDPP2402149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e8c8eef59729014e6435762cce6d766d37e40cb0741cda426bb14a7bc354ec. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-20T00:09:50Z), 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/QMDPP2502189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ddec3fd345cbbf02beca084bb8c4934d3dd3583a45e4dc8960bbbe2c252b58. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:11:57Z), 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/QMDPP2402152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b85aa253b46570cf5daaa5338d892cc1b2d1ebcba919e9adf3b2d119e4acbef. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QMDPP2402149.