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 0xa34e89b7d7bdf0dbd52910f96cf0794a9194cfeee8f7fb16886c31f0f7081375. 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/150c0a86-25db-4ce2-9a5c-4cefce841104.json and https://artists.proofprofile.net/proofs/artist/150c0a86-25db-4ce2-9a5c-4cefce841104.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd4c5a23ce8abd7964ecfbcafcf37ddbecde234cab401b81d8a40b13160831723","isrc":"QZNJX2076563","name":"Revane Mix","registered_at":"2026-06-28T23:41:31Z","spotify_id":"13CPYrS3hORsXdTSSTGwpX","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 0xd4c5a23ce8abd7964ecfbcafcf37ddbecde234cab401b81d8a40b13160831723. 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/13CPYrS3hORsXdTSSTGwpX.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/13CPYrS3hORsXdTSSTGwpX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x515e7d763d50ae89dc854005c5f3f56682f7e0d0482ec2da41a3ff0c7bcb25e2. 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/47QABELY3OJd1kFIyX62YU.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/47QABELY3OJd1kFIyX62YU.
Archivos Perdidos, Clasicos En Vivo, Vol. 1
El Amor de una Rosa / Qué Será - En Vivo
El Amor de una Rosa / Que Sera (En Vivo)
{"copyright_id":"0x66cf93d85bc6bd286948c7f2751da16e4a29cc6ab4e4baf2d93a786522f6e9a6","isrc":"QZHZ42070355","name":"El Chambei","registered_at":"2026-06-28T23:27:31Z","spotify_id":"4OhdneYhQhiU79MWE7geJx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66cf93d85bc6bd286948c7f2751da16e4a29cc6ab4e4baf2d93a786522f6e9a6. 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/4OhdneYhQhiU79MWE7geJx.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/4OhdneYhQhiU79MWE7geJx.
Jardin de Amor / Punta Rebane / Caracol - En Vivo
Mi Amor Se Fue Contigo (Reggae) - En Vivo
La Parranda (Sei Sei Bei) - Afro Dance Remix
De Parque en Parque: Piamanadi, Baile Mami (Live)
De Parque en Parque: Piamanadi, Baile Mami - Live
De Parque en Parque: Osito Dormilon (Live)
De Parque en Parque: Osito Dormilon - Live
De Parque en Parque: El Amor de una Rosa (Live)
De Parque en Parque: El Amor de una Rosa - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc6989db7a7a2a0bf0585f39c117786215319daf89e993883e5621142ba5e78. 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/67B91U3S6q8LcjQTJMKcSt.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/67B91U3S6q8LcjQTJMKcSt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf253777847b6ac8f9416d5637d01cca55b3695d03c034ba15aec0e87ddc1565. 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/0GgX58ql5nAUnlqC7wA5PD.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/0GgX58ql5nAUnlqC7wA5PD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0919dcced11af05becfb79a39c21e50d9566cbb7318d31c9c70a778433c73064. 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/3Vqwxcpe3cb6SRSUMQi70b.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/3Vqwxcpe3cb6SRSUMQi70b.
{"copyright_id":"0xbc9d7701f2b882a0a8d6df34367462fcdd42b95d218732f6679e70d155535cff","isrc":"QZNJW2117040","name":"El Sabor del Bicentenario","registered_at":"2026-06-20T22:39:45Z","spotify_id":"1mI8KysmWfWtcrWIfEdah7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc9d7701f2b882a0a8d6df34367462fcdd42b95d218732f6679e70d155535cff. 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/1mI8KysmWfWtcrWIfEdah7.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/1mI8KysmWfWtcrWIfEdah7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786d060a7873b966672c93e39fa00a279a5f98e70264b290587ecbb4dba2a552. 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/1PO8no6MeZ20VmhoD8nj1I.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/1PO8no6MeZ20VmhoD8nj1I.