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 0xe641dcb2ddaf0cefc3199bc107429347ad5211e33b1e6d4185c79c97b1a19630. 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/ced7f5b1-66d2-4ab3-bf50-cb2591d8c6cb.json and https://artists.proofprofile.net/proofs/artist/ced7f5b1-66d2-4ab3-bf50-cb2591d8c6cb.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 0x547a7042f8653eb47b2adc244b7d10f08374cdde92bb71b16480ea2fd1136021. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3E34oaxjyy20qtwL3IeuzC.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/3E34oaxjyy20qtwL3IeuzC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4102f946fb6dd798bfa7d5d367846e388dbe920cb03dc42a8b295eac1481f096. 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/0YFye2GsZJHFakytgF4UJP.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/0YFye2GsZJHFakytgF4UJP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a518df8ef69f4722275efc52339c1f6b1a985beccb811595c509e3d75c2f15. 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/6OoJRg6gkKwKM79XiqodL8.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/6OoJRg6gkKwKM79XiqodL8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f714b1f557ecbc20bd2248b249fedc0b9d11b7b7f08019782795677ce458c0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0A4RbNM8d2LwNeUJO0dxCm.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/0A4RbNM8d2LwNeUJO0dxCm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6af7b983fa213e300f6c56db549a4050eaac724ef0e1bdb3846cb912210a48c. 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/1z12aoCrsRQAVvU6hd0xhr.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/1z12aoCrsRQAVvU6hd0xhr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367d41bdaf52aa2762519b3931be43a9697751f0c7dac84f57738914fb1426f5. 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/1neT777UCZGM8Xkhz5MPnP.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/1neT777UCZGM8Xkhz5MPnP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdab254ba1b5f12cbc9b75a484f0719ff1de83193d300b07cbedb729abd4b65be. 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/5NHRS577smnJUQ8OSinlzs.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/5NHRS577smnJUQ8OSinlzs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda17577fe12413c53f55ab2d61451618b5d621041aaea66d24298fb4b3a60ec. 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/6Dr77WJ5dxyghotP5wmGs2.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/6Dr77WJ5dxyghotP5wmGs2.
{"copyright_id":"0xf40ca58c6014c7e5fb19cd38ab4cf61171d36477544e6fee92fa3604b8cf8ab3","isrc":"FR9W12347961","name":"Copines Coladas","registered_at":"2026-06-06T17:31:31Z","spotify_id":"3jizQJSDpbCVyzzArwNBCc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40ca58c6014c7e5fb19cd38ab4cf61171d36477544e6fee92fa3604b8cf8ab3. 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/3jizQJSDpbCVyzzArwNBCc.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/3jizQJSDpbCVyzzArwNBCc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722e3def283a2004c837f6638ef2322fa2e46262d91c044d9f965a4de62c1449. 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/2UsJDGFrU8WeFyv9ce8hsx.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/2UsJDGFrU8WeFyv9ce8hsx.
{"copyright_id":"0x4496885086e5ba895d5adce47c6938dd78cd6c40117ac2a15bf52df51deef263","isrc":"FR9W12347962","name":"Reste encore","registered_at":"2026-06-08T12:26:06Z","spotify_id":"3NODudLHZFgXNCLvFx5N1P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4496885086e5ba895d5adce47c6938dd78cd6c40117ac2a15bf52df51deef263. 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/3NODudLHZFgXNCLvFx5N1P.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/3NODudLHZFgXNCLvFx5N1P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f714b1f557ecbc20bd2248b249fedc0b9d11b7b7f08019782795677ce458c0. 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/3JYd4GvFZLBn3RfeFH3raH.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/3JYd4GvFZLBn3RfeFH3raH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4beba14f207eb8e055785f892defa8eab81fdc95d528240a58457c371aff2188. 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/5nx7cLIDFEMl7VrE3CJFLd.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/5nx7cLIDFEMl7VrE3CJFLd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6af7b983fa213e300f6c56db549a4050eaac724ef0e1bdb3846cb912210a48c. 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/4ylJUA3gOnOZubv6ZdjbC0.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/4ylJUA3gOnOZubv6ZdjbC0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547a7042f8653eb47b2adc244b7d10f08374cdde92bb71b16480ea2fd1136021. 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/68rn2LDvW8YBc8MoNZI8vP.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/68rn2LDvW8YBc8MoNZI8vP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50db716f3271b10252ab487752c220b0ba7aae49fa8deb84ae67dbe26781e874. 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/5gb9FxOWWJgAJDIMJ6jMvO.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/5gb9FxOWWJgAJDIMJ6jMvO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef0461722c8c21ef32651a4274c6e0199115ded3428cfa7cc08af9927115179. 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/2hUJp8LHJRDeXMDQzEV4pb.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/2hUJp8LHJRDeXMDQzEV4pb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6274e01d990af28f35dca60e84bf9cbe02c8b3290db9c79229788f5d447f2f19. 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/4RfHIeJMXDgBKlf1NXj8Mr.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/4RfHIeJMXDgBKlf1NXj8Mr.
{"copyright_id":"0xb4a518df8ef69f4722275efc52339c1f6b1a985beccb811595c509e3d75c2f15","isrc":"FR9W12239803","name":"Corps à Cœurs","registered_at":"2026-06-06T17:33:45Z","spotify_id":"4oCTzqoafxrvhNghwXFXf4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a518df8ef69f4722275efc52339c1f6b1a985beccb811595c509e3d75c2f15. 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/4oCTzqoafxrvhNghwXFXf4.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/4oCTzqoafxrvhNghwXFXf4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe80f57e72f088736915990eeae9857789debb1302b90b295aa24adcc8fb64139. 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/4w6VkMVHUdXhczT9rXpWrF.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/4w6VkMVHUdXhczT9rXpWrF.
J'vais passer l'âge (Version acoustique)
J'vais passer l'âge - Version acoustique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0681cc7d0415b345be085d010c2497631607a4a7a728d9fe576fe614da07194. 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/5JC29enMuSB0uAXhZTTu41.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/5JC29enMuSB0uAXhZTTu41.
Que tu te déhanches devant moi (Version acoustique)