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 0x05a8e612f96a9ac46906ad2e7d73efac1dd145a629c553f1e4179095f3dd829f. 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/cef6d0fa-9a9e-44df-bb01-53f69cc28038.json and https://artists.proofprofile.net/proofs/artist/cef6d0fa-9a9e-44df-bb01-53f69cc28038.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Jam "West Indies Break Bites" (feat. Nathy & Mr. Toma)
Gare au Jaguarr (Digital Deluxe Edition)
L'anthologie mixtape (Mixé par DJ battle, animé par Joey Starr)
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 0xa5ddcd84d77c812034c575231c0193ba4714079c0d4dc867cf95e00c66d6ad3a. 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/2sfvxhgbpjfTbMRg18HsE5.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/2sfvxhgbpjfTbMRg18HsE5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e594863fdf6175eed04de335ea4d6fc1b49463b1c8a52c03774a18202320bea. 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/08NFP1YyAP8HiTOfA5VzYS.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/08NFP1YyAP8HiTOfA5VzYS.
{"copyright_id":"0xfe94e3e0fd6d7d372f5ab06d01bf7a1d03b9b00052feea37a06551021a53c43b","isrc":"FRZ081100541","name":"Hip Hop (feat. Degom)","registered_at":"2026-06-27T01:10:56Z","spotify_id":"6gsuM6t6jOAoyIg4BOguDz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe94e3e0fd6d7d372f5ab06d01bf7a1d03b9b00052feea37a06551021a53c43b. 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/6gsuM6t6jOAoyIg4BOguDz.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/6gsuM6t6jOAoyIg4BOguDz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7797b01b2112f2ce3b93d2d3d5c669819a9958cfdb8d715f8560cf217ba7681. 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/3z5HAo2TDLVnrtaOfi50ax.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/3z5HAo2TDLVnrtaOfi50ax.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74790e92539364be77530d65e2e40a3e188f616abce6ac8784d9763a9fc15323. 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/39TdifRbC1S62s45Zhs2CZ.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/39TdifRbC1S62s45Zhs2CZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3d63841626d604fd2d0d8f18f27c0ef957833360893843a9701ea68cbe81ce7. 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/4O7kK9Fwk3iZd5XOvwiFIN.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/4O7kK9Fwk3iZd5XOvwiFIN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5f65dda3d5816d44cb892b8aa02caf59f25ad8a35336d7dec4408bf6973a376. 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/1X1EibLspnxpfq72i97PA9.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/1X1EibLspnxpfq72i97PA9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db490e48d6eb722a72c9496402298333f1cbbf20829a3b8545bda50edbd7444. 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/44nYvhiDSN38oFJLfTgDKD.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/44nYvhiDSN38oFJLfTgDKD.
{"copyright_id":"0xe6c0c62437cb4d2ee3e829d3b5063758b0a39923fad6b64a68ffad23d526a2c1","isrc":"FRZ080100790","name":"Clasher mon Crew... (t'es fou !)","registered_at":"2026-06-23T05:53:58Z","spotify_id":"09tDdohiCiFtZQrjaUWbls","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c0c62437cb4d2ee3e829d3b5063758b0a39923fad6b64a68ffad23d526a2c1. 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/09tDdohiCiFtZQrjaUWbls.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/09tDdohiCiFtZQrjaUWbls.