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 0x620105c951322b2fc8d0a09f8d2edee9bb0ada86d70a36fbb59a8fde22756103. 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/541795d6-e649-498c-853d-be3071238663.json and https://artists.proofprofile.net/proofs/artist/541795d6-e649-498c-853d-be3071238663.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xa0ce9b40f5d0da08d3221d4b59dabae5d93fc757a744032e5169103b7d25ae5e","isrc":"ARF411701242","name":"Kiss It Better","registered_at":"2026-06-22T05:17:23Z","spotify_id":"7fKZOLVdmRUxfbyMRSImrl","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 0xa0ce9b40f5d0da08d3221d4b59dabae5d93fc757a744032e5169103b7d25ae5e. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fKZOLVdmRUxfbyMRSImrl.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/7fKZOLVdmRUxfbyMRSImrl.
I Am The Best - 내가 제일 잘 나가 (Copacabana Remix)
I Am The Best - 내가 제일 잘 나가 - Copacabana Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75819fc0054810b1ffa002e256416ce59f8250544df064a90e8c63f5b6fea7f. 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/7k4G4QxIQcZQhKj3br99d7.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/7k4G4QxIQcZQhKj3br99d7.
Vintage Café - Lounge & Jazz Blends (Special Selection), Pt. 11
{"copyright_id":"0x8d1e7df5b9e4c26e5de08aa613304229c402f84b601ca67af8d883632eafbe51","isrc":"ARF411701331","name":"Turning Tables","registered_at":"2026-06-07T01:54:51Z","spotify_id":"5XalWeqXX2B0S1NcsnjMKJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d1e7df5b9e4c26e5de08aa613304229c402f84b601ca67af8d883632eafbe51. 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/5XalWeqXX2B0S1NcsnjMKJ.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/5XalWeqXX2B0S1NcsnjMKJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x103a0594cf7990606490c662d0e504884823049411c0657598051e01a141803b. 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/0YnnICwBlGvy6RcAvyNZcV.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/0YnnICwBlGvy6RcAvyNZcV.
{"copyright_id":"0xf75819fc0054810b1ffa002e256416ce59f8250544df064a90e8c63f5b6fea7f","isrc":"ARF412000149","name":"You Make Me Feel Brand New","registered_at":"2026-06-08T21:38:49Z","spotify_id":"7LOWRT8LY3FzsTOSKcTQJp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75819fc0054810b1ffa002e256416ce59f8250544df064a90e8c63f5b6fea7f. 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/7LOWRT8LY3FzsTOSKcTQJp.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/7LOWRT8LY3FzsTOSKcTQJp.
{"copyright_id":"0x96cb193b460a02c41c31bd19f48bf7946596dab1d9da601a4d79e3b6c779daec","isrc":"ARF411100994","name":"You Make Me Feel (Mighty Real)","registered_at":"2026-06-19T14:42:41Z","spotify_id":"269Tp2UZCbFCNKya7qznNT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cb193b460a02c41c31bd19f48bf7946596dab1d9da601a4d79e3b6c779daec. 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/269Tp2UZCbFCNKya7qznNT.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/269Tp2UZCbFCNKya7qznNT.
{"copyright_id":"0xf3e721cbd4592101c574dc13257ac206535afa75faa5e1c47197b23a4920f7f2","isrc":"ARF411401136","name":"No Fui Hecho para Esta Tierra","registered_at":"2026-06-19T23:59:15Z","spotify_id":"2toKE9ClwccRkRdwt6oe0m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3e721cbd4592101c574dc13257ac206535afa75faa5e1c47197b23a4920f7f2. 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/2toKE9ClwccRkRdwt6oe0m.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/2toKE9ClwccRkRdwt6oe0m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49e8b6fb1b5ffc942d91282373d66cc325250751f9f94713de5949928f59b42. 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/76KihE9VobZcsHQv0b86xD.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/76KihE9VobZcsHQv0b86xD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb38666ff2a29d6a6651734c630f60c00fc07e50037fd2e38eb1e560cc1000b5c. 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/5ZQNahhpLqBd7iJFjmLaRb.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/5ZQNahhpLqBd7iJFjmLaRb.
{"copyright_id":"0xbc1f3fe42af3dae0619a72e69cab174dd0039916b8427aa45631d6e51d760090","isrc":"ARF410091122","name":"Palavras Ao Sol (Instrumental)","registered_at":"2026-06-23T01:29:56Z","spotify_id":"3ycDWCaTdEYf4RuAUR7pkH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1f3fe42af3dae0619a72e69cab174dd0039916b8427aa45631d6e51d760090. 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/3ycDWCaTdEYf4RuAUR7pkH.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/3ycDWCaTdEYf4RuAUR7pkH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4288a740dc15950ba9d18d96f95343879e0d6694a241d76471fa602cc3ba538. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2JzMQIzH7xFDeaY90j7uzO.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/2JzMQIzH7xFDeaY90j7uzO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4288a740dc15950ba9d18d96f95343879e0d6694a241d76471fa602cc3ba538. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5wOgMhpTIMlTHrBJS0b4CL.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/5wOgMhpTIMlTHrBJS0b4CL.
{"copyright_id":"0xa395c4358cd05a9dbe9bab5b12f394796db0492e21f0c1ff9cc869c272d3ef4d","isrc":"ARF410091129","name":"Amanhecer Dourado (Dub Version)","registered_at":"2026-06-25T17:57:15Z","spotify_id":"2paAa7XGqKvmtK9DVIg1j6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa395c4358cd05a9dbe9bab5b12f394796db0492e21f0c1ff9cc869c272d3ef4d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2paAa7XGqKvmtK9DVIg1j6.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/2paAa7XGqKvmtK9DVIg1j6.
{"copyright_id":"0x96cb193b460a02c41c31bd19f48bf7946596dab1d9da601a4d79e3b6c779daec","isrc":"ARF411100994","name":"You Make Me Feel (Mighty Real)","registered_at":"2026-06-19T14:42:41Z","spotify_id":"2qCmjebU4oC1LeQ0LGnZ6X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cb193b460a02c41c31bd19f48bf7946596dab1d9da601a4d79e3b6c779daec. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qCmjebU4oC1LeQ0LGnZ6X.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/2qCmjebU4oC1LeQ0LGnZ6X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe984b06ef1e01850088c26f22ef9c053471b2168ec3f932066dc7c985f44ec9d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YNLzIVj3Ens1pGNc5fQpX.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/0YNLzIVj3Ens1pGNc5fQpX.
Brazil - The Complete Bossa Nova Collection
{"copyright_id":"0x88d95d3dd1f3d2f71ed83d277fc88d58adeaf9eb82e3edad6be41444c566d3a4","isrc":"ARF411001215","name":"O Proximo Verao","registered_at":"2026-06-20T04:14:17Z","spotify_id":"5mBmDZTxaoCsqs8gaf92k1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d95d3dd1f3d2f71ed83d277fc88d58adeaf9eb82e3edad6be41444c566d3a4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5mBmDZTxaoCsqs8gaf92k1.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/5mBmDZTxaoCsqs8gaf92k1.
{"copyright_id":"0x88d95d3dd1f3d2f71ed83d277fc88d58adeaf9eb82e3edad6be41444c566d3a4","isrc":"ARF411001215","name":"O Proximo Verao","registered_at":"2026-06-20T04:14:17Z","spotify_id":"1hyBR2e3J6t8oQet8azg0z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d95d3dd1f3d2f71ed83d277fc88d58adeaf9eb82e3edad6be41444c566d3a4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1hyBR2e3J6t8oQet8azg0z.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/1hyBR2e3J6t8oQet8azg0z.
Café Brazil: A Guide Through the New Sounds of Bossa Nova