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 0x3b937de46801f28fdc4ecb3a429fe63575b91b899ee07e16f507c33ace8edf1e. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e0978e9-a58a-4a7e-a2ae-133e43b4b0be.json and https://artists.proofprofile.net/proofs/artist/6e0978e9-a58a-4a7e-a2ae-133e43b4b0be.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 0xca06b52e14dc217c1071b4c34579ed97b3a49054f9d4e27169da882a3b13c281. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBKPL1254378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca86d2c37932fa7546f1d689fe27dbdf140d24bddd29df6d464f846a06c1782. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/GBKPL1254380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x966e2bc530a84dab5d1731f40a0ff73e097b7aaf1f17c38f8bdaf68504135368. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GBKPL1375839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a720f0b1e1548b4f078315cb17199dd4dcd7819586384c3ab6c22a6435b80af. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:32:18Z), 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/GBKPL1375840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x600e539dbf0731316546f326077e7c7e39c52d88b557f7322dc78188ccb31c26. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T08:52:44Z), 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/GBKPL1375842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31cbbfbc13fb1d6db1e09e45388edd05de30b4cdb08b21845557085a881e4b7. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/GBKPL1375849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0de08e367ec8813a87097a06bccdac7b5bc3ce60a9262bec120e89b7c9fa215. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBGLW1500287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93a3dae06d29ab18ec27b1e08c73fee11490083b0a126852f8daa3f5b5619ef. 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/GBGLW1500288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22dd1f0a75756072e70fa7b4599b866e99deb5fedaca8c852655e5e8103759fd. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBGLW1500292.
Power of Love (Live from Fortress Studios 2016)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d60789a5d4ac0a5fce080cb8b9205abb2c88eea3517d0775b82edfc6e3c95f. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/QMDA72336567.