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 0x3066bb99d0819d401700b8a7c6eb4647bf4b5c671c4d9d641da9a8583b1cf2f2. 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/d5e69d4e-a0ed-446d-b9de-3f2201c9078e.json and https://artists.proofprofile.net/proofs/artist/d5e69d4e-a0ed-446d-b9de-3f2201c9078e.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 0xd5a1026407f3ae07b95a02c790b3b80ecac9e8169b46e6019343fb67c6feb293. 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/24Ef3CYK9AYE4tptHZdhff.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/24Ef3CYK9AYE4tptHZdhff.
Álvaro Torres Interpreta a Juan Gabriel en Bolero
- Alvaro Torres - Yo No Sé Que Me Han Hecho Tus Ojos
- Alvaro Torres - Los Versos De Mi Madre
Nada Se Compara Con Tigo - Version Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1713b6f50625b9827c1ced7e4d372f568792f2b73bdf65d86e968d89cc196d2a. 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/7DsFJJvFm5QAQ18BNSOhP6.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/7DsFJJvFm5QAQ18BNSOhP6.
{"copyright_id":"0x31c4882c011f9c6ae0fae80fc65cd42f18f3857cac57c8a92aab37a210ed6052","isrc":"CUA011901701","name":"De punta a punta","registered_at":"2026-06-26T20:07:32Z","spotify_id":"0IR8x2wKZnGg9YrIrZFr3Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c4882c011f9c6ae0fae80fc65cd42f18f3857cac57c8a92aab37a210ed6052. 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/0IR8x2wKZnGg9YrIrZFr3Y.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/0IR8x2wKZnGg9YrIrZFr3Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10c0d5b0879f0cced3a6757eb157d188946969568284928cc8917d356b312ec. 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/3Vr1h3lolxOUwGvJ0Bclp5.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/3Vr1h3lolxOUwGvJ0Bclp5.
{"copyright_id":"0x7b245eaeb9e5c5b21fd0b58b8b2f41e6e4c0d1cae71bbb60abcd95a3996ccf1d","isrc":"CUA011901703","name":"Mal acostumbrado","registered_at":"2026-06-21T17:56:55Z","spotify_id":"6lTHyFX22XeNlQH8OSouwr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b245eaeb9e5c5b21fd0b58b8b2f41e6e4c0d1cae71bbb60abcd95a3996ccf1d. 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/6lTHyFX22XeNlQH8OSouwr.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/6lTHyFX22XeNlQH8OSouwr.
{"copyright_id":"0x59daa828eed42a03fd16894445f155f854eeba2a03dd93bf44e3a2fc14cfb74a","isrc":"CUA011901707","name":"A tí mi amor","registered_at":"2026-06-19T09:19:25Z","spotify_id":"3IQtLchj1qRIrlH8p2WFjc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59daa828eed42a03fd16894445f155f854eeba2a03dd93bf44e3a2fc14cfb74a. 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/3IQtLchj1qRIrlH8p2WFjc.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/3IQtLchj1qRIrlH8p2WFjc.
{"copyright_id":"0xbe195e421aef2454e22476f09c0d7f4fba6b8dbcd1dbf717097bee6487a7f48f","isrc":"CUA011901713","name":"Yo te seguiré queriendo","registered_at":"2026-06-18T14:29:25Z","spotify_id":"1rnE3w1uAB0Zi9NgNuiQnR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe195e421aef2454e22476f09c0d7f4fba6b8dbcd1dbf717097bee6487a7f48f. 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/1rnE3w1uAB0Zi9NgNuiQnR.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/1rnE3w1uAB0Zi9NgNuiQnR.
{"copyright_id":"0xb606741fa1aa249062a8181edb0b7f1fccf2623518ba8ec304d249c672a6c8dc","isrc":"CUA011901714","name":"Reencuentro (Patria Querida)","registered_at":"2026-06-19T09:14:28Z","spotify_id":"4xH9MLOZRM3sS0ycLRJ216","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb606741fa1aa249062a8181edb0b7f1fccf2623518ba8ec304d249c672a6c8dc. 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/4xH9MLOZRM3sS0ycLRJ216.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/4xH9MLOZRM3sS0ycLRJ216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b4860f532d9d3687d3667124e63f1856f6e9043b85a83c2d2da1670349b8be. 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/2GYa54NW8mLCpVZxKMdwGM.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/2GYa54NW8mLCpVZxKMdwGM.
{"copyright_id":"0xccb2527e3572b057a66433b82baa0d2caefd4462ae38a0f6b9075e9895d3be8a","isrc":"QZ7361803428","name":"Patria Querida - En Vivo","registered_at":"2026-06-23T00:20:16Z","spotify_id":"5a2BbPbcsocFznXhxohBsR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccb2527e3572b057a66433b82baa0d2caefd4462ae38a0f6b9075e9895d3be8a. 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/5a2BbPbcsocFznXhxohBsR.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/5a2BbPbcsocFznXhxohBsR.