1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x31b154c3b082124909e45dba5c1db5624a41ff24180913699c3584974af60690. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9cb530a9-1a13-4c94-b3aa-52212ff29c42.json and https://artists.proofprofile.net/proofs/artist/9cb530a9-1a13-4c94-b3aa-52212ff29c42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ella No Podrá Decir Que Me Vió Llorar - Spanish Version
{"copyright_id":"0x1e545544e24dc83ca564743f2418109d8285267f3e36ea8b1ec936b5a54a9461","isrc":"USSD11100176","name":"Ella No Podrá Decir Que Me Vió Llorar - Spanish Version","registered_at":"2026-06-10T03:29:53Z","spotify_id":"6Mndyp7oEhsTWeeiWHBE1A","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e545544e24dc83ca564743f2418109d8285267f3e36ea8b1ec936b5a54a9461. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Mndyp7oEhsTWeeiWHBE1A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Mndyp7oEhsTWeeiWHBE1A.
In My Dreams - Napster Live - Oct. 10, 2003
Overnight Success - Napster Live Version
Se Escapan Mis Razones - Running Out Of Reasons
Me Duele Que La Trate Tan Bien - I Wish He Wouldn't Treat Her That Way
Mi Vida Eres Tu ( I Only Get This Way With You)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1420757c77a6750691bd2ab558959d99a2ee01b50bc5f3bb6a715d711457d8fd. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fvxICITrIf3nonPZ7Tagk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fvxICITrIf3nonPZ7Tagk.
{"copyright_id":"0x1e545544e24dc83ca564743f2418109d8285267f3e36ea8b1ec936b5a54a9461","isrc":"USSD11100176","name":"Ella No Podrá Decir Que Me Vió Llorar - Spanish Version","registered_at":"2026-06-10T03:29:53Z","spotify_id":"1OA5LUUI54CbZ0BPfo74Wz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e545544e24dc83ca564743f2418109d8285267f3e36ea8b1ec936b5a54a9461. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OA5LUUI54CbZ0BPfo74Wz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OA5LUUI54CbZ0BPfo74Wz.
Happy Birthday Buck - A Texas Salute to Buck Owens
{"copyright_id":"0xd3dfa6bd3fc0f38460d125a3759b30bef2315a1fefa3d26d951085bce862a472","isrc":"USTE10462309","name":"Ojitos Traidores","registered_at":"2026-06-19T09:27:39Z","spotify_id":"1dUATLAV0DgqlgPfFP3lG5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3dfa6bd3fc0f38460d125a3759b30bef2315a1fefa3d26d951085bce862a472. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dUATLAV0DgqlgPfFP3lG5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dUATLAV0DgqlgPfFP3lG5.
"Steppin' Country: 19 Great Line Dancing Songs"