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 0xa0d7559f24464ff270581aec74ad33e9ecb8356ab363f03292272c88889440ee. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/66b7ec9f-5275-4fc2-9a03-9d4cad1dd0fb.json and https://artists.proofprofile.net/proofs/artist/66b7ec9f-5275-4fc2-9a03-9d4cad1dd0fb.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 0x2a8ec4ae060a0c5aec9bae89136d9387809e5b8564b2f875d9c9e72fe5803fb1. 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/6Hpzo7mMPKX3GEhRkCJ84d.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/6Hpzo7mMPKX3GEhRkCJ84d.
Bisou Omri (feat. Zaho & Aymane Serhani)
Bisou Omri - feat. Zaho & Aymane Serhani
Dès le matin (feat. AM La Scampia) [2023]
Dès le matin (feat. AM La Scampia) (2023)
Dès le matin (feat. AM La Scampia) - 2023
{"copyright_id":"0xd51cdd869452baa5d4a6bb4d7d69da6160a0be1861f4688fce6fb8d9cb05ff29","isrc":"FR8Y72200037","name":"La mort et les soucis (30k)","registered_at":"2026-06-29T05:30:29Z","spotify_id":"7JHAVufOTWR04x7XGLRzih","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51cdd869452baa5d4a6bb4d7d69da6160a0be1861f4688fce6fb8d9cb05ff29. 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/7JHAVufOTWR04x7XGLRzih.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/7JHAVufOTWR04x7XGLRzih.
j'ai tout pour moi , donc je calcule pas mon ex
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf535ff71914465f70b411178ca4cfbe6652efa6ba53d9f78ccab066c2de2b713. 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/33vThy05BxxHDDwTyOFU03.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/33vThy05BxxHDDwTyOFU03.
J'ai passer toute la semaine comme un loubard
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bde3a49be2c4d91fd341babdbf374b6c9ab97dace01985a63d63a76ee03674d. 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/4mOWjrJ1ur2Ke3HcuEqq2d.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/4mOWjrJ1ur2Ke3HcuEqq2d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bde3a49be2c4d91fd341babdbf374b6c9ab97dace01985a63d63a76ee03674d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LLtgG9hKDGteBKW5JQYMK.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/1LLtgG9hKDGteBKW5JQYMK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaafaa334c38136c88b2403186022c382203ee1c873c1ea58f4d7f56ad62aa50. 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/2m8yQAnynMbGwirz7ye0eT.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/2m8yQAnynMbGwirz7ye0eT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaafaa334c38136c88b2403186022c382203ee1c873c1ea58f4d7f56ad62aa50. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0AmVMN7FAmiWfeUSEVtE0P.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/0AmVMN7FAmiWfeUSEVtE0P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a70bf186aa0529118e433c406ca71bbea3a6a659b05a95f60836dc054c2908. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/110I63aGGiy5xlqyUu1SLH.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/110I63aGGiy5xlqyUu1SLH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703cb0ecef948d447b25fc00222fed8e8dadc555a9e8e85640729e733afbd517. 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/26z73yA3xqekC4pfbh5nD9.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/26z73yA3xqekC4pfbh5nD9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d5383315c156663446aa56fad9d0a38cb2cbc9863356d3a99959d1b03a6ba6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4w4KKt4tSpvvnrxegGGlTa.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/4w4KKt4tSpvvnrxegGGlTa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb1936a0d1793d5930dad981de549b2e059348fa5315089e30ff75d465eb2edb. 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/6uQqMwfkM7PVgGvWe4m8Nh.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/6uQqMwfkM7PVgGvWe4m8Nh.
Matrix (feat. Le Rat Luciano & TK & Costello)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8337dcae72f938c0e09c6aee8f361689d803fef28e082c27d8504e4396beb138. 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/4vMSwySoYshmjRJEt9q6QS.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/4vMSwySoYshmjRJEt9q6QS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae87642d0f74c214d4bf56e7d9f7e9e1aab82808a2ac955d6ece1becd6853c36. 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/5slVOaUKrFQse5wUA1NBHh.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/5slVOaUKrFQse5wUA1NBHh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af5164ce4b14197c5e6313ee1ca51a215671715927e039921ac3ffde6de103e. 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/6FmwGkhHZ2aRy036tq2HRe.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/6FmwGkhHZ2aRy036tq2HRe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22395e5a8b558ac1b18db3af1005271726fe0680b193d161fcd10b43ab81c58d. 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/4Kx717rCI69EfTBGti1uyF.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/4Kx717rCI69EfTBGti1uyF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3dec5e946f321e7784fc79994a5002c5e5f2ca3cce80e3e92bd31c2713f84af. 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/6NBy3Sr5zlrMEUTUj89cBh.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/6NBy3Sr5zlrMEUTUj89cBh.