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 0x5e1ce02dcecd6e02e65989ec45ea2f0b94af7122b659afcea74535c39516bfce. 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/3b750ac7-270b-4b81-8996-ec5cdc5cd493.json and https://artists.proofprofile.net/proofs/artist/3b750ac7-270b-4b81-8996-ec5cdc5cd493.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x0aa2c2eea89b96664d7af3c48cccd23121ecf5064e082758cd8e2116c8d782e6","isrc":"QZ22B1847341","name":"Directo a Tu Cara","registered_at":"2026-06-29T14:04:41Z","spotify_id":"7tChTcsv8kvAEPND1SfJKF","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 0x0aa2c2eea89b96664d7af3c48cccd23121ecf5064e082758cd8e2116c8d782e6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7tChTcsv8kvAEPND1SfJKF.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/7tChTcsv8kvAEPND1SfJKF.
Todo Me Parece Poco - Instrumental Remix
{"copyright_id":"0x38e6b45247c87b9f8b0fd4b724872b41616a610298ad07e965b06b56bcf4b2eb","isrc":"QME2N1364316","name":"Camino Contigo","registered_at":"2026-06-29T04:53:14Z","spotify_id":"6ZmPHRy0nQZKIVgTnfbNpv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e6b45247c87b9f8b0fd4b724872b41616a610298ad07e965b06b56bcf4b2eb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ZmPHRy0nQZKIVgTnfbNpv.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/6ZmPHRy0nQZKIVgTnfbNpv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfe10a592996252273a6f1c2606250f40d9a4d9a96f04edde590ca5d7bc4388. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/21rbYmrKIKChssAvnpdjNX.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/21rbYmrKIKChssAvnpdjNX.
{"copyright_id":"0xf2afe790ea18456b34917b9a0af661d64f443f4d5f63bee17ce9fc1a1dd9ff37","isrc":"USDHM1412137","name":"Déjame en Paz","registered_at":"2026-06-17T23:55:48Z","spotify_id":"6F1fMdkVEalEpY00DmjXZz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2afe790ea18456b34917b9a0af661d64f443f4d5f63bee17ce9fc1a1dd9ff37. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6F1fMdkVEalEpY00DmjXZz.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/6F1fMdkVEalEpY00DmjXZz.