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 0xcf5118b456615835c2fca0a184089e68dbf8f8481bc8e023095b167e6cfb7046. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e78a435-78f6-4d3b-9043-adf3307f6ab6.json and https://artists.proofprofile.net/proofs/artist/9e78a435-78f6-4d3b-9043-adf3307f6ab6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
EverQuest ® Soundtracks, Vol. 4 (Empires of Kunark, The Broken Mirror & the Darkened Sea)
EverQuest ® II Soundtracks, Vol. 4 (Kunark Ascending & Terrors of Thalumbra)
EverQuest ® II Soundtracks, Vol. 3 (Blood of Luclin, Chaos Descending & Planes of Prophecy)
EverQuest ® II Soundtracks, Vol. 2 (Visions of Vetrovia & Reign of Shadows)
EverQuest® II Soundtracks, Vol. 1 (Ballads of Zimara & Renewal of Ro)
Planetside 2 Original Game Soundtrack, Vol. 4: Nanite Systems
Planetside 2 Original Game Soundtrack, Vol. 3: Vanu Sovereignty
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 0x8a3bbadcba86d8cb300984c3eae132c10eaea46af48e25fa748810d51d2d1eae. 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/USHM22351758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1862978c83753712d1d030dfa80ed86da5e7737b51ede7ca4cd37daf41b0a317. 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/USHM22351761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97537bc466983c2246fd37e654616aa7db802a792541f4560e244022e1a8684e. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/USHM22351768.
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
Planetside 2 Original Game Soundtrack, Vol. 2: New Conglomerate
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a82fb0bb49db594b05f02effba8af3062c6f2cc38b1857d898fcfcd2ffa7d04. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USHM22351734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708aee9b84e451297b4e4bdaf8fd8c20965506bdb4b807a59938a0533fc27061. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USHM22351739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad2845c041ffa603a52f33bcbeee43af2cc6334c24ff8047a9a8cefac6f837a. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/USHM22351745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2933f538792933228b3f5f5d81a6a4e5ad8d289a76579a08e7ab44b4b04202. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USHM22351747.
Planetside 2 Original Game Soundtrack, Vol. 1: Terran Republic
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9184e1a4bddce575b7470473e14142131e28b3c434b19f3ba23a2f3072880769. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USHM22351718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92cf4ebbc15c234fb8bd6ae56361e8341187caf5cd2e177e119ae062694270fb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USHM22351719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9be3b18db1a68339941015a60ab69e1010bc1c16560096ff3cdd50b40301239. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USHM22351726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385dbf87b0aa865e5010b4dfe8116e298b5383f98a8a87d95913007af88e4e6c. 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/USHM22351728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43ac20809e2fd3d90218e70727a8f61ce9231967dde788c696bac85c4d4f8cc9. 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/USHM22351731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2463b1dd78cfa2b2cc8bac697bddd9ab4345e95f699a2086b4a5c5b1077a3a. 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/USHM22351732.