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 0xb391a1b1622affa96c5ff21d295ad703b37f3be86cb798e8f8f5c4a3e8c74646. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/baaf0f47-8717-4a37-ad18-e2c2bcaa5455.json and https://artists.proofprofile.net/proofs/artist/baaf0f47-8717-4a37-ad18-e2c2bcaa5455.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Looks Is Deceiving - 2000 Digital Remaster
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 0xaf38a1b6aec116b0956251c831632c80edd98bd02362e537e28eafa3f79452bb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAAA0000686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e70d54d998f8fb536ac7001234b81954ae77d290ea87d1f9f605dfd7a80dd3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAAA0000688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58260e021c0c2890b0859086745bbc625849bf8af04d3bd3cd77fe4deedbbc1b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FR5U10000274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ce17c6a44cd8ea34a45f74611f4601ab2c310efb576125521019b4bf2f5af1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAAA9000268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d426abf69d5bc8a928f92ea2cb4a0ab360606ebc5aebdf199d2b5c3efa7957a. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAAA7600072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba2c42d0967f09789210dfb669aaadfbc5d8f22dca473ef2e4bddb21942f81c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBHWT0500326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a25f89114503ae7733f2101c05be55dbefce7f2a370a05dfcdc899e28b27964. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBAAA0200211.
Soul Jazz Records presents Fire Over Babylon: Dread, Peace and Conscious Sounds at Studio One
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d6ac6293498837ce17c95f1329c2f6f0cfed620d2a4f9175642752f0b484bca. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JMA020733602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d99f69001d7694e86a7ec2126191832cd80588315a100e037d355418e4f62eb. 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/JMA020600128.
Soul Jazz Records Presents Studio One Showcase: The Sound of Studio One in the 1970S
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda93db3c2294e070593d90bbd0db209bd9565990d64da6a058d8e8f9e203590. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/JMA020601962.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad1522c28f7d7f9a353d1c71564b8d4442fe85fc3e1abb95bc5c313b3315c89. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/JMA020601405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cae28e835f3492aaa20203849f57affabf00460f555d3264c7ae55c7ddc4f93. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/JMA020602162.
Dread Prophecy (The Strange And Wonderful Story Of Yabby You)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0a3bcb04c0dd8c2443bb1702339818f5bc1fdf5a0224743f8e56ba3da46077. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/US7SF1555937.
Sounds of Reggae, Vol. 1 : The Best of Reggae and Dancehall Selected by Sly & Robbie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c43f85bf389ff4aa947e3732ae95702fd4452f9b796bc859a8f48764e3fcf1. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FR5U11201616.