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 0x4af761c44f8c137ba4bd6d4443ca6238c8b42015046bc96f48565413c5e167ed. 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/d4f49e70-b0c3-4164-be45-571c7fd9ba46.json and https://artists.proofprofile.net/proofs/artist/d4f49e70-b0c3-4164-be45-571c7fd9ba46.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 0x7b22620085ca49938b5ec2ab5925c6d41557e7e31451b2221a6f6473285aa550. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QMFMF2102151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4116ea9084374045791f1d83d8da4221bc0da693e2ea90c1c37fc93ecf4d9e60. 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/QMFMF2102152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b752660a96e39fdaf534a99de84f3a42c1296e222c565eb34967554820b2e99. 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/QMFMF2102153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd848abb25b2c285fa5ad1daac308dd72c4e9c908b1faeb4d42330139505fc9c2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QMFMF2102155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae78f910a19c85d6381cd9b74f3fbbaa458f6860d6330fdf9adfa1c95a6bdb33. 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/QMFMF2102156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe4103c7965eb6476f68f1751840b2095dafd5eb19cfbf69f25a07b238abcb03. 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/QMFMF2102159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1944a4033bdc3cf3663abd494830d88ec0e2109afc9174dcf26887d5045377. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QMFMF2102161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb61c9a8e0835458c493808ee6237a2a41f9d8ac952fb4800cb53cdab52294b4. 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/QMFMF2102165.
Megamix - Corridos Que Dan Sed - para Que Me Echaste al Mundo/La Eché en un Carrito/Las Cantinas/Zenaida Ingrata/El Hijo Ausente/Me Voy Muy Lejos/Elenita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc8ad94b57ac6ae9dc99f0fa916a0080a7ed5a1e86b03f32a39f7873a8b1be09. 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/QMFMF2102166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46672adbb489398bcc6035f127f5a0a990a22e98af20049472e7b80300ce4b5. 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/QM7282073565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b8d65d3cb62d4a4f7df839c1b78e8787aee83ea0675dec02e5ba0833a1a47f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM7282073567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ea1f654ad0547f8f8b29ade75b337a7538b284bc73c7d0dabc0471347326ae1. 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/QM7282073571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d19bf99581ce36de72c564a93fec36bc4113ca74e8e8bb2233615f3c0dd6c59. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QM7282073572.
MIX - Tributo a las Reales de Plata: La Fiesta de Carolina / Las Muchachas de Granero
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3eb3ad9efc6ebb60498dad3b8c83a43334607682a12880f5f24da1ae4c37183. 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/QM7282073578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ffec3dd2232ee1e8fb5561ac9345f1e48042441c48478f4a9d292916e056c8e. 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/QM7282073579.
16 Megamix - Romántico: Como Te Extraño Mi Amor / El Taxista / El Perro, El Gato y Yo / Te Ves Fatal / Como Te Va Mi Amor / Hechizo / Ahora Te Puedes Marchar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21576e55b2fc69176b57d20e8af65eb19d3d773f31d86b9d98cc1ac31625d6e2. 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/QM7282073580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf04e95cf6ec647f563d115f7436cca58ce1515882ef8d7978358edf0e196c0a2. 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/QM4TW1719495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1350de2924b7687610cde10abbfd0c7c7262a46188f5bfc6c212b45cd966814. 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/QM4TW1719496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda643de7e7d6282573b3b9d298baa9feb0a275edc9b0f1f1a7184afab977ffd9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QM4TW1719497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3f62831f89ee1355ebfbaa2a5e7551a927b6e184f97bd649db124fe423c480. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM4TW1719498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47224c37712f0126ef093086012e082e6cde5cddaa34acb7e31d548c726e87dd. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM4TW1719499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a515d4fc3c4377abbba87b0b464db267649f733934ba415a40db4516a17fe6. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QM4TW1719500.
Megamix: Que Alegría Me Da/No Meta las Manos/El Carrete
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4c1ad972d8df6f6918a86b3ff7dd860b754172f7284c3713fef507c06277035. 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/QM4TW1719501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3476eabf2b5d20362762bda51cdcbb2a700c8197fbc147941f43e43cdaae36fc. 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/QM4TW1719502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bea4c0a5752b1bb78d35b1e59a30437fca49748ffd12244fb43cc5a7a1ae1db. 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/QM4TW1719503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c5a1bafba927b338143dc495753b6ac4051714e8d7cd6dbc809038eae2e0c6. 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/QM4TW1719504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3f020f5532190d0cb21b26ba8e2ebdb57b52c810763fd769871fc4356dc695. 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/QM4TW1719505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa206b529e77d6751854507add4f53b424a1c4fc48026de9ea432d6f846f57ab2. 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/QM4TW1719506.
Megamix: El Carrete/No Meta las Manos/El Perro, El Gato y Yo/Como Te Extraño/Como Te Va Mi Amor/Te Ves Fatal/Medias Negras/El Columpio/Por Esa Yegua
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c2756be292c6ec55db6cdb480f66d637ff5cfc2a3afa07051ba921bc441a29. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QM4TW1719508.
GRACIAS AL SOL (Have You Ever Seen The Rain?)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03920b3af3b1389dcf1160f56ae5c7a07057eddf69cd2aa7fd336ff2905611d. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/QMFMF2219246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4dae780784a6dac2e261cf35735a6e6bce6ed4608715f55976febcefdd2e79. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T01:06:07Z), 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/QMFMF2219229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18e0c673e7ba9190316b3026294be7101cce728d3713840d81338f17e313fab1. 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/QMBZ92184742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad234238ce718af6e28120e79fb4b79b41def7dd5f8358e8e28dadbaafc5f006. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QM6N22137741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0d7b31fbe4c06e4afe7f790bc2e9ab207f84e3e35cd502bc7ae5716bd64677a. 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/QMBZ92034227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f5fa111585667a6c5f12c2bb6ebf578a0fcb926a0e8640bbf8683910cb9b20c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM7282020670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82dde1241dabf71a9a96a9191315d2366a7f28489c3ca20b8519e14fd4d568c3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T01:12:38Z), 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/QM6P42050054.
MIX Exitos Inmortales el Gallo Pelao: Estas Fallando: Pero Raquel: Como Caramelo de Limón
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361f1e591c2c4bc47b43819b2946eadf4fe1f1ae325e871a09630371006b1c7c. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QM6P41894768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x102c7802c40a0e23d34308baa0a1ab46d6c6f0d3ab5f0552e99d2b658dea2383. 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/QM6MZ1804760.