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 0xa547429d5d967b4a956bacd0b19fa67ee4ae2f21834f726e74a7da8f432d1b8d. 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/c2aa7371-42b9-4e06-a17e-8c2a9bdd5970.json and https://artists.proofprofile.net/proofs/artist/c2aa7371-42b9-4e06-a17e-8c2a9bdd5970.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 0x8165af181653d232d02f605a90c2e431e232d7286fee4296f4af0b6b22bd530b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DGA0M2365736.
Volver a Casa / Tu Amor para Navidad (En Vivo)
Volver a Casa / Tu Amor para Navidad - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x357ae76c2e6907d1f5070ad26cc6e98552b60b88bb5ba7a4fb2e06702741488f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRS182101409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3aeb00b7c29638c320066d63b43bbb0a1b860f0d0b7e12dfe6a3a45202f53f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DGA072437213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaecbbbddf3a589e7d73ab84caf54282ecc85036134d43329a2e28ddcf0c03499. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DGA0L2389313.
La Reunión 1 : Detalles / Blanco y Negro / La Indiferencia / La Mazucamba / Me Gusta, Me Gusta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0242ef69c774db3cc7332344ba4e73cf7783127d1bf56af1ab9696d0a4f0f32. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DGA052275542.
La Reunión 2 : Traga'O De Tí / A Escondidas / Obsesión / El Papá De Los Amores / Si o No / Mi Princesa / Te Empeliculaste
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac45e69ea7719c08ff6c197ec2db68d41568266b975b9261c26ec883d8e1f6ea. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DGA082288117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3e1c0c9758a20230738afb26697ffdff41b40b49724470a1ce795bc12da9de. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRX452360863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe4a25be51b63cb1977c29816552680f5b5b521a6de109ab68168e7d1e0cbd19. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6P42226205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe68414f4331b9dabccc7ec0f70a712d028dd965aa430c0a9ae65d6813d8e8d18. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USL4R1905210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9285c8de915cbbd783750503879a68f122d52e7b85dc3b88fa9500efe097869d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DGA0Q2435948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x357ae76c2e6907d1f5070ad26cc6e98552b60b88bb5ba7a4fb2e06702741488f. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/FRS182101409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d3ba6d24aea75c03bc653a7584d6d8ba36a964992a6c9f641538fcf6a52c23. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/TCAFX2113928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca52071d90a6469b373e7ead44c34edb9d770ca67181a2921fa6bfb46b0d654. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBWUL2498837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f12fcdd6f5507b0841beaaf4ecb196ee8955a3732e459b3a1f6a643e5c9940e. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBWUL2498844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe851dfbb4562f8f6740bd2a8290928714e7867e6e367f4dc7bf6df0aed052d2c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBWUL2498852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91990d514e135f61d60ddaab608bda18f301808886b79a0473a31ca033bd2d97. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBWUL2498854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d374172c4bb567df2656d5cb1668cdbee3787b6797d18c3fe3ebfc6f6fa48a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZTRX2492392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae697002a917ddf6405fc757961cfd75e56883eb275101241b9ccd48c3b2e8c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR10S2538674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3aeb00b7c29638c320066d63b43bbb0a1b860f0d0b7e12dfe6a3a45202f53f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DGA072437213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x895824b399d3399ce08b9d61f42b90f135f9022677f9456258f80896cf7a3093. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DGA0S2441918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc844d39bbb1d1cab2173f4f7fe0bca75d43bb448e1e23e85681006d5b08d9ab6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DGA0S2441922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33d70785fe265219034666398baea9cd8ad7b3bc722c5dd2462825969a80bff5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DGA0Q2481250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29d16ea18c673590b413e7e65aebb8540b90c01e70e979a07e779bf9b0b084de. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DGA052414832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e7f2576ac3e4da0a49526d8d69ad56f480bb53cc74acede45bb6a55db10bfa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZ7R42151767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567c969fcfc32f16a44721bc8e0237d43a10202cb66820cdc5bccebf91e75536. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FR2X42435912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60bcd4e11eb92cbbc7e9f040065cfbab471dc585422884277cd79de7620dec65. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/TCAHJ2355773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fde9fc89114d8b845412ad0be1bbe771ed1f04e3fe73406b36061e79e617ff0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BK4DA2319126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec9f85881ec1cb50589cf49604c3890e71eb457a367012d5812beadcaf916da. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DGA062329681.
Si Te Preguntan / Aparentemente / Me Estoy Enamorando / Amores Como El Nuestro / Estamos Solos / A Puro Dolor / Fabricando Fantasías
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539fe403ed7d372abe82a4d628210f57b5795de72df892f5d66c1721e2885e38. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/FRX452331813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb0fbd53507d5df6116577c5a371b63a0d978be38096d94194f897f35491a18. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMDA72211724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb27ad2aa08eeb8a9f139f359f83b3d7145d8d9e01494c30876336c5f343ed2f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/TCAFQ2163979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ab31bfe5623a4f71dcdc7f4a0b6f100de7e2a21c055de6fad9d2e8538b1e7a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNWT2087125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461b6e972e641da56ddb1349419d763adc5a7c88efd6b23bc5748cde26639b3c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ROROT1824301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2ba945fd7107523ae8bb71caf82167e27a1933482240fb4b264ee958384f9a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRX452331810.
Que Le Den Candela / Que Hay De Malo / No me Acostumbro / Vivir Sin Ella / Perdóname / Conciencia / Tu No Le Amas Le Temes / Date Un Chance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705136dabed22fb8af38943b1f1b5fffe27619abb0d0d2f442f5baf1bd2a0eaa. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRX452331811.
Yo No Sé Mañana / Y Hubo Alguien / Quítame Ese Hombre / Te Conozco Bien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da64e8b3b8b5a7313a5ff94a7d68bdd46df033338248e8a904c3d17b7dfcb74. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRX452331812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539fe403ed7d372abe82a4d628210f57b5795de72df892f5d66c1721e2885e38. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRX452331813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f8baecf629dafa499f8c891f8578e98f6f3d2aa485feb08589e4cd20623a6d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRX452331814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3e1c0c9758a20230738afb26697ffdff41b40b49724470a1ce795bc12da9de. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRX452360863.