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 0x0144f635e057414fd7ecbe859facfab5433c487db7d7c7dc77a4dbd56166f253. 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/5e56452a-c81c-4888-9e82-4aba6cb8f58e.json and https://artists.proofprofile.net/proofs/artist/5e56452a-c81c-4888-9e82-4aba6cb8f58e.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 0xd51d1e917f123e9347af0852981b44713d0b1fd435ba241d3a8835cc0e724106. 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/0ldTkUdnhjTWdVXHwQPLSW.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/0ldTkUdnhjTWdVXHwQPLSW.
{"copyright_id":"0x708e4399beb9131ea48acde979b62ad7a508742cd134860dcbcfb90d5d642f4b","isrc":"FR2MP8100040","name":"Chacun fait (C'qui lui plait)","registered_at":"2026-06-07T15:44:08Z","spotify_id":"4HpSsL7ePRY8YbPxv4CDoB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708e4399beb9131ea48acde979b62ad7a508742cd134860dcbcfb90d5d642f4b. 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/4HpSsL7ePRY8YbPxv4CDoB.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/4HpSsL7ePRY8YbPxv4CDoB.
{"copyright_id":"0x4560b22ea22bc2d7ac8ff86c1ff9fe5c1e09ed005fba376c5d3a1128a92a6592","isrc":"FR2MP8200010","name":"Bonjour (V'là les nouvelles)","registered_at":"2026-06-20T12:51:25Z","spotify_id":"1SwJzgDCwrpBGcvldOxDs1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4560b22ea22bc2d7ac8ff86c1ff9fe5c1e09ed005fba376c5d3a1128a92a6592. 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/1SwJzgDCwrpBGcvldOxDs1.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/1SwJzgDCwrpBGcvldOxDs1.
{"copyright_id":"0xb7c25dcbdd4f316bd0ef594c0fa08abdf84d53ca2000c4e1afdf343841a8ba8f","isrc":"FR2MP8100070","name":"Fais le waou waou","registered_at":"2026-06-27T17:28:10Z","spotify_id":"3Dz8hMBT8QGy9xjxISUqym","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c25dcbdd4f316bd0ef594c0fa08abdf84d53ca2000c4e1afdf343841a8ba8f. 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/3Dz8hMBT8QGy9xjxISUqym.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/3Dz8hMBT8QGy9xjxISUqym.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878cbc163b1573af217afa9270594618bceb82b09347fb47ee1ab39b4ecb85b5. 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/5aTOLF894dMKmuA4pfIIEC.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/5aTOLF894dMKmuA4pfIIEC.
Plus près de toi, nan nan si si, accidentellement
{"copyright_id":"0xaa2b4ae0cc01cad9925070806a299f00f2a198cfd14abc0936a9cfb6aa5ce041","isrc":"FR2MP8100010","name":"Au paradis","registered_at":"2026-06-24T22:35:56Z","spotify_id":"5tf5CryKTxPKKd4Hh55GTk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2b4ae0cc01cad9925070806a299f00f2a198cfd14abc0936a9cfb6aa5ce041. 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/5tf5CryKTxPKKd4Hh55GTk.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/5tf5CryKTxPKKd4Hh55GTk.
Chacun fait (C'qui lui plait) [Domenico Torti Remix]
Chacun fait (C'qui lui plait) - Domenico Torti's Disco Vision
{"copyright_id":"0xd5378c899e8a0f2adb0fbc6afdf097a2ebb4ef9c2c04760268febeb79ad4b2c6","isrc":"FR2MP2200010","name":"Chacun fait (C'qui lui plait) - Domenico Torti's Disco Vision","registered_at":"2026-06-10T05:14:53Z","spotify_id":"27QfuXj6maKdS2RcUC55Mz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5378c899e8a0f2adb0fbc6afdf097a2ebb4ef9c2c04760268febeb79ad4b2c6. 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/27QfuXj6maKdS2RcUC55Mz.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/27QfuXj6maKdS2RcUC55Mz.
Chacun fait (C'qui lui plait) - Domenico Torti's Dub
Chacun fait (C'qui lui plait) - Domenico Torti's Disco Vision - Extended
{"copyright_id":"0xe4c85ff46b644bd2518520cafa4926761d562b48ed5ea4719c8ccae0dc4ccddc","isrc":"FR2MP8100030","name":"Chacun fait (c'qui lui plait)","registered_at":"2026-06-04T07:40:55Z","spotify_id":"5TpIQ1tVlPnm4SHObswUU6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c85ff46b644bd2518520cafa4926761d562b48ed5ea4719c8ccae0dc4ccddc. 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/5TpIQ1tVlPnm4SHObswUU6.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/5TpIQ1tVlPnm4SHObswUU6.
Chacun fait (c'qui lui plait) - Remix special DJ 1990
Maxis 80 : Programme 2/25 (Les meilleurs maxi 45T des années 80)