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 0x6f902a2aeb00ae5901b219386f265067eb456e3eafbf387ed39cc4d7014cbabf. 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/ba3389bc-cdfb-4ba6-9b5c-ddec5da76683.json and https://artists.proofprofile.net/proofs/artist/ba3389bc-cdfb-4ba6-9b5c-ddec5da76683.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xfa145f1bdbd333d096f596f7542d791cdb9435beaa0b55fc828a89bb3486e08a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/12c6UR2OyXxgMUT3QSPrb6.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/12c6UR2OyXxgMUT3QSPrb6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26242c501fb5d1c5e51b8fab066039300cccfcf5177d5920c8aa22ca64470be3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5wrqJdKaIHAVHNLmiKBNIk.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/5wrqJdKaIHAVHNLmiKBNIk.
{"copyright_id":"0x40b3b44610c7c1984bbe4a1ca345455b30a1121bab8e66205aeccb0f0d6d0368","isrc":"QMZEN1500002","name":"Royal Sea","registered_at":"2026-06-07T21:29:41Z","spotify_id":"7Ir0CldjampFGRoYBEYQoA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b3b44610c7c1984bbe4a1ca345455b30a1121bab8e66205aeccb0f0d6d0368. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Ir0CldjampFGRoYBEYQoA.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/7Ir0CldjampFGRoYBEYQoA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4459aed1ccb8b38b7274381e75ed7ef977f62c83cc5892819a76c5f7cce087d0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7nh03z8QlZM5IM9hdT8NTk.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/7nh03z8QlZM5IM9hdT8NTk.
{"copyright_id":"0xcf931d89df019cc148ac2c9bd94cea42a9f2f4e5cb75bd26a8773cde36ce2681","isrc":"QMZEN1500004","name":"Dance All Night","registered_at":"2026-06-05T09:27:24Z","spotify_id":"65nzNgQOFEE8gmp5AmBrjW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf931d89df019cc148ac2c9bd94cea42a9f2f4e5cb75bd26a8773cde36ce2681. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65nzNgQOFEE8gmp5AmBrjW.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/65nzNgQOFEE8gmp5AmBrjW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0df9a52034a1a970cbb8a2c14770f27dbf736b2ded140e577ca0c3edb8cc6d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2saKS6NfR3fecFFUiS3Vqw.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/2saKS6NfR3fecFFUiS3Vqw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd565250c503edd719daebc35b8d9b378f23abf8a24005d07b967796e3414611. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NlZCyUpG8VRqRxWT9jS7n.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/6NlZCyUpG8VRqRxWT9jS7n.
{"copyright_id":"0x695c7a660b9c19b575e5ac4c2d2cc39184ca79aa5ae00436f99a1a861e2acf9d","isrc":"QMZEN1900004","name":"Upemba's Revenge","registered_at":"2026-06-06T13:37:36Z","spotify_id":"11D0gA3EXSUbCkfWYjEgzR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x695c7a660b9c19b575e5ac4c2d2cc39184ca79aa5ae00436f99a1a861e2acf9d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/11D0gA3EXSUbCkfWYjEgzR.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/11D0gA3EXSUbCkfWYjEgzR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b8501a9f01c0c0b6ffa84488ceb4c66006125c8248ed6a25c12e2340bbdc94. 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/3cTT1jucv0b8bHO7cKwEm0.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/3cTT1jucv0b8bHO7cKwEm0.
{"copyright_id":"0xe45a6b6ff803e0a093e8b4cc0bef577df74b11d49889d6f8382d6db6a244f33b","isrc":"SEYOK1503432","name":"Twelve Days to the City","registered_at":"2026-06-07T15:59:41Z","spotify_id":"7zW8TxH4H0AjeCFxKzsD1h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45a6b6ff803e0a093e8b4cc0bef577df74b11d49889d6f8382d6db6a244f33b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7zW8TxH4H0AjeCFxKzsD1h.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/7zW8TxH4H0AjeCFxKzsD1h.
Free Dem' (Ruby Generations Compilation)
Free Dem' - Ruby Generations Compilation