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 0x11e8a950208f794ef925548c558057d419fdb6f7dd7c76be6d68e9a1ee6e34d7. 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/29b6ee81-619b-40de-ad96-c9e0ffb64b3f.json and https://artists.proofprofile.net/proofs/artist/29b6ee81-619b-40de-ad96-c9e0ffb64b3f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x057411946afabd464bd7bdc83edeb17460bdb8133b9a641608e5e140afa9bee6","isrc":"MXF149500212","name":"Dile Que la Amo","registered_at":"2026-06-04T13:52:55Z","spotify_id":"2ydtUWwIoySZkkSgZ1rsWL","type":"track"}
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 0x057411946afabd464bd7bdc83edeb17460bdb8133b9a641608e5e140afa9bee6. 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/2ydtUWwIoySZkkSgZ1rsWL.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/2ydtUWwIoySZkkSgZ1rsWL.
{"copyright_id":"0xf5939278f86a73b3be6a410aa7b3a4beb139bf3aee22bf2cdb682512db5923a7","isrc":"MXF148900153","name":"Vuela, Vuela (Voyage, Voyage)","registered_at":"2026-06-01T09:14:18Z","spotify_id":"5Fg0dwfo7rsjll2fBClskW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5939278f86a73b3be6a410aa7b3a4beb139bf3aee22bf2cdb682512db5923a7. 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/5Fg0dwfo7rsjll2fBClskW.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/5Fg0dwfo7rsjll2fBClskW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03e2b7b7c10b18f911150f3341bb3a47db4494aaec15b0f81039613de8f618b. 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/2BiS5mFajxcob9l3DLv1Hg.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/2BiS5mFajxcob9l3DLv1Hg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7897029d5456d0552d1c9b72ff08c7efd673916595911a783d9f33e549116746. 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/5FfQiHDGJj17wg9oG47ctb.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/5FfQiHDGJj17wg9oG47ctb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76711b966a9870231af20d12b00dba6e990930ec2da9397e31ba3749d90bb441. 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/5IUDv8uHW9hkIwjhW2dK3R.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/5IUDv8uHW9hkIwjhW2dK3R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3057402bfd05f86a5ba67b9d2fea02d575f854ed8a1f8f7ed39cbdc602091266. 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/74x8wbFq0mSAt48W2vq6aL.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/74x8wbFq0mSAt48W2vq6aL.
{"copyright_id":"0x07189334b31c0112b61ff95c78dcbe4f6dc08da8d5888ee2145afe593f2f4781","isrc":"MXF149500210","name":"Ponme la Multa (Fammi la Multa)","registered_at":"2026-06-09T22:06:28Z","spotify_id":"0nLYtoAMXvEu5vkitbT2Jo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07189334b31c0112b61ff95c78dcbe4f6dc08da8d5888ee2145afe593f2f4781. 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/0nLYtoAMXvEu5vkitbT2Jo.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/0nLYtoAMXvEu5vkitbT2Jo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d223bff8c67ce83b157ccd14e15343f8d2381501f555c052f90840d667ab8a5. 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/3rEtr3cVcPFbD1xsixt8JU.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/3rEtr3cVcPFbD1xsixt8JU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56522926378650d2681b0c12abaf1f6111b1a66e906a6a901c73290ebf280570. 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/2SBAnwizTgYVfhjX5VTGhS.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/2SBAnwizTgYVfhjX5VTGhS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf93879165d99bc2198407e7e6123c00bb53e65ccb66e6f63c70a87d30a88dda. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0bMPjgoLxGbgLAQFXe4DDO.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/0bMPjgoLxGbgLAQFXe4DDO.
Vuelve Conmigo (Ven) [Could It Be Magic]
En Los Espejos De Un Cafe - (Dance Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56522926378650d2681b0c12abaf1f6111b1a66e906a6a901c73290ebf280570. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Rc5RuEVpNUUNjsbRTDTme.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/3Rc5RuEVpNUUNjsbRTDTme.
Hacer el Amor Contigo (Voglio Fare L'Amore)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021ae320925f9b59b3c747fc32b491f4b25bd86b6573b786c059b15d0394458f. 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/2qx6KS9XmSIchdVHX1sOLs.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/2qx6KS9XmSIchdVHX1sOLs.
The Legends Of Soul And Disco 03 (Mixed Compilation For Fitness & Workout 135 Bpm / 32 Count)