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 0x6185224e600e24dbeec5b6e404a58ff4f8711bc3af1f61174266d4f636f3fbca. 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/7dac0899-2888-400b-b46e-463fa6bd2a98.json and https://artists.proofprofile.net/proofs/artist/7dac0899-2888-400b-b46e-463fa6bd2a98.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fiesta en los 30 de la Novel de Martín Guevara el Father de la Salsa
Homenaje a los Grandes de la Salsa (1976 - 2013). Salsa Peruana
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 0x6cb4a1f80193602862bdec647f582b2f5912c667df2761078bf88c305b903ad1. 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/5S9NSgmNIGESencJJRW8Wo.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/5S9NSgmNIGESencJJRW8Wo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46bd63b4a3f3a95a47884ad12037416a7c982ce23a513751e7af1e312ef87a21. 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/2DnZAobaY4STtWesDd6NIA.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/2DnZAobaY4STtWesDd6NIA.
{"copyright_id":"0xf0e7d9bd15813bfd4b2c0c5147ed7bf93a45ad8d9da8e4d0f91e008d75913583","isrc":"QZNJW2359643","name":"Nos Van a Escuchar","registered_at":"2026-06-20T23:04:48Z","spotify_id":"0ydZwMus6teAlHjJ9EExVT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e7d9bd15813bfd4b2c0c5147ed7bf93a45ad8d9da8e4d0f91e008d75913583. 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/0ydZwMus6teAlHjJ9EExVT.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/0ydZwMus6teAlHjJ9EExVT.
ZAPEROKO La Resistencia Salsera del Callao
{"copyright_id":"0xc7c2a2afa10f1b535ac7b4c456e0958b5aec697d72213489ce81259410357805","isrc":"QZGLM2170649","name":"La Cura (Homenaje a Frankie Ruiz)","registered_at":"2026-06-04T16:39:01Z","spotify_id":"6LYJBfi33xxnDrser1lU3B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7c2a2afa10f1b535ac7b4c456e0958b5aec697d72213489ce81259410357805. 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/6LYJBfi33xxnDrser1lU3B.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/6LYJBfi33xxnDrser1lU3B.