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 0x365d22c5bbc39621f902b3d19f56c48a4f10062660253711e2cb2ee91f6392db. 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/7452024b-cd35-4739-b221-63ad42d602b6.json and https://artists.proofprofile.net/proofs/artist/7452024b-cd35-4739-b221-63ad42d602b6.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 0x919946bb14f49dd6a07af69639f455a473762a139007c65d087b7a3b25b619e5. 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/4nYN5lYqCjsvEMg6tArkqh.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/4nYN5lYqCjsvEMg6tArkqh.
Plus vite que les balles - Instrumental version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615e8469cb553cf5e4a16a89e094fe0482e51ff12b239a38f81d06855c9e9369. 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/3rNBvOUZ3OKRXLVtz1C7y3.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/3rNBvOUZ3OKRXLVtz1C7y3.
Moonwalking in Calabasas - Koba LaD Remix
Moonwalking in Calabasas (Koba LaD Remix)
{"copyright_id":"0x99393a7d78e6bc0797f65353d42f388ace199ce50f9f18c9ee62611007f6cb9e","isrc":"USSM12101084","name":"Moonwalking in Calabasas - Koba LaD Remix","registered_at":"2026-06-08T18:12:24Z","spotify_id":"0aaW0GWVyd5nmE76DZZLkA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99393a7d78e6bc0797f65353d42f388ace199ce50f9f18c9ee62611007f6cb9e. 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/0aaW0GWVyd5nmE76DZZLkA.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/0aaW0GWVyd5nmE76DZZLkA.
No Borders: European Compilation Project
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x191c150ba24b099336656bf713ef9947354bd3fc357b983c3b3092b83ccce6c5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3cMXsVEnap3hGs6PhOgn7F.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/3cMXsVEnap3hGs6PhOgn7F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x191c150ba24b099336656bf713ef9947354bd3fc357b983c3b3092b83ccce6c5. 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/6LaiBYDgJ0nTGAldMQeg9Y.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/6LaiBYDgJ0nTGAldMQeg9Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b5018a5de4a47711efdb69ce716857d26e1b41148d9375864a0c9d3803a7ca. 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/1OadAxUa6KVPyKAwEv0Duy.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/1OadAxUa6KVPyKAwEv0Duy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919946bb14f49dd6a07af69639f455a473762a139007c65d087b7a3b25b619e5. 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/5DmFR1xQssEYIyURdyrnPp.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/5DmFR1xQssEYIyURdyrnPp.
{"copyright_id":"0x7da16b16c934ba4bf8fb46dd630f804db473bdcdbc490e1da55d883db644b3b2","isrc":"FR9W12206430","name":"Vengeance (feat. Koba LaD)","registered_at":"2026-06-06T23:01:54Z","spotify_id":"5ELzWRyhth8MmzYVrHsGHY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da16b16c934ba4bf8fb46dd630f804db473bdcdbc490e1da55d883db644b3b2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ELzWRyhth8MmzYVrHsGHY.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/5ELzWRyhth8MmzYVrHsGHY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615e8469cb553cf5e4a16a89e094fe0482e51ff12b239a38f81d06855c9e9369. 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/09r2pKsbOpsKFZ23PNtZZ3.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/09r2pKsbOpsKFZ23PNtZZ3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7522362aec26024d747ff6fad95e7859635acece1c13b0ef070b4828ad9f608. 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/7uJnpUwoNun4M3X7fkPD32.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/7uJnpUwoNun4M3X7fkPD32.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615e8469cb553cf5e4a16a89e094fe0482e51ff12b239a38f81d06855c9e9369. 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/0vwy2FapO0BSIVcWaJZZsP.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/0vwy2FapO0BSIVcWaJZZsP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84078c5eb977ea599e3e3f8ed72b5084b6cfe9f068c1f2af72d4f8418930809. 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/0tGshe4WNGp7rvXHxDQvbH.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/0tGshe4WNGp7rvXHxDQvbH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84078c5eb977ea599e3e3f8ed72b5084b6cfe9f068c1f2af72d4f8418930809. 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/21QfY11V5UmQ3xZJVoK5A2.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/21QfY11V5UmQ3xZJVoK5A2.
{"copyright_id":"0xf47039f0b5360a7fcce8c16978f5d522ec7437e79f31952bb69e88c6cedbdeb3","isrc":"FRX852100430","name":"Quatre secondes","registered_at":"2026-06-06T03:50:52Z","spotify_id":"3IeR39ILTxnPnddUi2A4wL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47039f0b5360a7fcce8c16978f5d522ec7437e79f31952bb69e88c6cedbdeb3. 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/3IeR39ILTxnPnddUi2A4wL.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/3IeR39ILTxnPnddUi2A4wL.
{"copyright_id":"0xf47039f0b5360a7fcce8c16978f5d522ec7437e79f31952bb69e88c6cedbdeb3","isrc":"FRX852100430","name":"Quatre secondes","registered_at":"2026-06-06T03:50:52Z","spotify_id":"4on8pxur6Uz6RCOvTeWXoX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47039f0b5360a7fcce8c16978f5d522ec7437e79f31952bb69e88c6cedbdeb3. 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/4on8pxur6Uz6RCOvTeWXoX.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/4on8pxur6Uz6RCOvTeWXoX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59bfa7a34c725e72c01439c7ff7e2a2fc58236a3158c2c78f34b5094a6d1a960. 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/0Ck7qm7MAwM9rydVIIjn1g.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/0Ck7qm7MAwM9rydVIIjn1g.