1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x0e601cdf1e037ddf1adb6fe7a8f5bbd845cf20c973de54ec51b29424328475f8. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e405184e-147b-4a5f-a8e5-30e78d26bc75.json and https://artists.proofprofile.net/proofs/artist/e405184e-147b-4a5f-a8e5-30e78d26bc75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff4414560def26362a5b77acd2a6ebfbea70a41b5d4d4820de489d74a59282af. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93b1c81838ae784da6755b1dba9905d2e9894316407e101fbee974382d3e61a. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3614fbddb13632044453b5912e6614fcc7cf43af974330ff8b67b88fd92bacc3. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0cd3599184c88ddfdf6769000062c98b217e9ceede331520bc395de97fcec1. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000839.
Popurri Mi Derrota: Acepto Mi Derrota / Antes de Que Te Vayas / Y Ahora Te Vas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d8b20b99daadb7fdc9aff207fae929f261f5f08ade6c5264ac72ad773a479b1. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000867.
Chupe Mix 4: al Ver Que Te Vas / El Regreso del Alambrado / Cuando Quieras Verme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb07ab5e9ec18e2cdecbef3beaae05b8432bc931948dd929451eea00eef779421. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000887.
Homenaje a Fidel Funes: Ilusiones / Lindo Clavelito (Lindo Clavel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf824a007330c64c48db5c275bfb4207713455bd6115bea675b6fae364a5131. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf0e16b53e8c560fa773220cfbe1151bb06389d86e51774e25c57829b0e07fb. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000896.
Zaracumbias 1: El Dia de San Juan / Corrido de Santa Amalia / El Aguardiente / Pescado Nadador
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6b723375549744f50b7c8c5875c065739136de56019acfbbc2e6035c7b72aa. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:07:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000900.
Mix Angeles del Ayer: Y Volvere (Emporte Moi) / Como Quisiera Decirte / Dejenme Si Estoy Llorando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c210efbd2487d510d52af158c4caeb57ba9fbf75119e8318e4172bb288706f7. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:46:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000944.
Los Mágicos Vol. 1. Música de Guatemala para los Latinos (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2d2aeaf3b5aeda4dd48f87787d81d3e7dfed776aad01d7ce199bed0986cf65. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc8d075d051c45f1a9a68eadcb01670ec45f6e80ade754d4ac94d70393e6079. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c721af180c2f42c75c40e6498f595e0a684de3b10e9ef4a065dde4c86ee4c76. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000354.
Chupe Mix 7: Fracaso de Amor / Tierra Mala / Porque No Eres Libre - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0938220faa40972c299a6be502586df0df276d9de8e3e16d83bfb41ad5f870f9. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000355.
Mix Pura Mafia: Un Millon de Rosas/ Nuestra Cancion / Te Amo - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3970d9242eb8b32c52d973d7ee827b1d5a45ef14dd77d81476b4af234ca3dc39. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012000363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab29ccead2c719a8eb594c21f5c530a86ddd92eef610d3bd5bd214fe11b61f3. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012003771.
Chupe Mix 9: Juré No Tomar / De Cantina en Cantina / Del Signo Libra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce24ce2c96b2f2753b5304f3ffd59ed22210b601a5af29f637478460d2ab0a40. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012101407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x451358c67232aae0986a3f7b02e9dfde7f2b95e7e8d28cbb60c28507c7c28c24. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:09:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012101414.
Mix Juanga 2: Así Fue / Porque Me Haces Llorar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5109cde60b952b3b461774fe1e366dfc0557aa39de61b2c683a363aa01012985. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012101417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f78595a64435d1b0eaacdcd2ebf3df8ddc4d1ebbf67becd3fbf8a6b0e6fd40b. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012101422.
Homenaje a Lalo Tzul 2: Cuando Te Vayas / Porque Te Vas / Vuelve Pronto / Adiós Mi Amor / Que Te Ha Dado Esa Mujer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48bb4b1e3ed6b1cc60cabd0cec623299a5af27b9ebc33dd81530516723198bf7. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:03:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012101423.
Adelante Con la Magia, Vol. 2. Música de Guatemala para los Latinos (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61931101f344e0f19e76e7dc6ec8f24f9166d87c85053e95f5c4beb7fd288c14. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012202726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7c8cba44bc1e9574da4dfcbd594ec0b3e51538b362bf153f2bbab236caa630d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012202728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa70647071dec8daa33206f3f0a1e8fd465cc6949b51f7f1d66162e6699e3a50a. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:34:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012202730.
Totomix Soy Parrandero Soy Parrandero: Ya Te Fuiste / Porque Sera - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34dc8232ff509c45bcfab814a6c6ae377d5a93a4a0de85f8b4de623079d19d7b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012202731.
Mix Superacosta 3: Y Como Te Va / Mi Corazon Es Un Vagabundo / Lagrimas Para Un Recuerdo (Me Parece)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbc470103c1eea1d76c8f7dc4670c8fe63157fa885f86a4888a208d660ccc0a. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T20:09:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012303264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435014e88ef418fb2fcd12aa8b5fa47140cd7ec3acf96cc970f16535abfced2f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012303267.
Mix Amor de Contrabando: Basta Ya / De Contrabando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25d89877bbdff9470c991c790d8fb35c92fc62136c0ed5917039554a970bd03. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:10:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012303270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dcce3cd9e88989e6fa25da07abb74600dfc2247622ef8656f2afe5dec445052. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012401217.
La Magia de Toto, Vol. 3. Música de Guatemala para los Latinos (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cdf6608076b6f1d9ba0d41eafd2b3d3996935afde89a58fb665f9edeba0db35. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012401325.
Mix Corazón Romántico: Cuatro Palabras / Corazón Romántico / Chiquitita - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1826693b8680e4298edcae27d8449844e41424b99487d49e45e7d266871cb3e6. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012401327.
Aullido Mix 2: Corazón de Otro / Solo Te Quiero a Ti / A Quien Quieres Engañar - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5916dd9c1b00189d6cee8f61c58497100acfa70a67092251940d97edd6a9764. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012401337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20135ac41367cff2693b780ed3590cba5621b50c361a7d671142eaaa47ab7f12. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GTA012502982.