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 0xbc6005b6777ec9780b196309587c420743249a11600fcba26ff672b10cda59e3. 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/0191bd34-f5d4-4039-aac0-86a1e5224fc0.json and https://artists.proofprofile.net/proofs/artist/0191bd34-f5d4-4039-aac0-86a1e5224fc0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Encontré Una Nueva Chica (I Found A New Baby)
Antologia 1963-1975 / 52 Clásicos Remasterizados
Rock Del Mundial - 2004 Digital Remaster
Prende Una Mechita - 2004 Digital Remaster
{"copyright_id":"0x3cfa22e5e36cf0ab086d98efbc627f4c6d72552f6e71404959b6a8f5465afe83","isrc":"CLBB20400016","name":"Aunque Llueva","registered_at":"2026-06-29T11:41:21Z","spotify_id":"0nHJFx2I7VMMEVZsHBfeZg","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 0x3cfa22e5e36cf0ab086d98efbc627f4c6d72552f6e71404959b6a8f5465afe83. 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/0nHJFx2I7VMMEVZsHBfeZg.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/0nHJFx2I7VMMEVZsHBfeZg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2325a993c76fce3cb6f6f4cb436d66d78c7fbb127244beb342742920dae1ca29. 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/53LWfsw63RWprrKMp8T890.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/53LWfsw63RWprrKMp8T890.
No toques esa canción / Recuerdos en la Lluvia / Camina Derechito / Prende una Mechita / A Mi Amada / Ayer la Vi / Llegaste con la Primavera / Mucho Amor / El Twist del Estudiante
Eres exquisita / Eres Exquisita/ Vuelta a Clases / Tu Amor / Twist del Recluta / Paseando en la Playa / Aquella Lluvia / Recuerdos del Rock
Que lolita / Ya Llego el Amor / Viajeros a la Luna
Idolos de la Música Popular - The Ramblers, Antología de Exitos...
Que lolita / Ya Llego tu Amor / Viajeros a La Luna / Nunca Antes
{"copyright_id":"0x98c5ed4b9721b94957ac179b077cb4e09f1a771af372e641a4a9aca7227585dd","isrc":"ES71G2326085","name":"Que lolita / Ya Llego tu Amor / Viajeros a La Luna / Nunca Antes","registered_at":"2026-06-29T11:30:46Z","spotify_id":"6JD0OxENj3BNDniFGF32ei","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c5ed4b9721b94957ac179b077cb4e09f1a771af372e641a4a9aca7227585dd. 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/6JD0OxENj3BNDniFGF32ei.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/6JD0OxENj3BNDniFGF32ei.
Tu Amor / Twist Del Recluta / Paseando en la Playa / Aunque Llueva
A mi Amada / Ayer la Vi / Llegaste Con La Primavera / Mucho Amor / El Twist del Estudiante
Love Is A Wailing Thing The M-G-M 55000 Series
Hollandse Hitmedley: Ik Sta op Wacht / Poen, Poen, Poen, Poen / Wenen / 't Huiske / De Trappelzak - Boogie ......
{"copyright_id":"0x70d4ad7214eb460e4a7ea8f51596cad7da0e87217893c581f994942d5ea1e589","isrc":"NLHR51273993","name":"Hollandse Hitmedley: Ik Sta op Wacht / Poen, Poen, Poen, Poen / Wenen / 't Huiske / De Trappelzak - Boogie ......","registered_at":"2026-06-20T09:29:38Z","spotify_id":"6CrTlyXeCuQExEohRfNPPr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d4ad7214eb460e4a7ea8f51596cad7da0e87217893c581f994942d5ea1e589. 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/6CrTlyXeCuQExEohRfNPPr.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/6CrTlyXeCuQExEohRfNPPr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf71b3ced3a56957b77b5d9227c68581f8f0b421767e911566e971084c003579. 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/6OyWBMqbWLZD36rrVV8Sxv.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/6OyWBMqbWLZD36rrVV8Sxv.