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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb223546ef5bf2a4f3a4aaf3574ec2ee1851440405de3af4effba904a2706db. 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/374134b1-7030-409c-a50d-17d1717c52ec.json and https://artists.proofprofile.net/proofs/artist/374134b1-7030-409c-a50d-17d1717c52ec.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd56b87985576f5639a52524c4e49e8024bf7e4c4dc75b2f98b45d77528f33f. 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/QZW9N2216144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eb19ed2f3150823c11465cd9f9ff88345e5f266e417b7b40179c6bb68370155. 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/CLAA22300182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a1ab2e72732b43d5f9f4993515b48c4cb3292cc3b9368b000841d929a67edb. 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/UYY112300043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c9e2d9953c39730875f38d9b43966065ee3f07e9ca2943131ab734bd5582f62. 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/CLAA22300086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ea5511e773811cdb4510a84fa4c0d7f45f8366465a3cac412d73dcae25f0c9. 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/CLAA22200173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567b68bda0de0b065ccaea3d22f314de80c90ded900f689de9ba9d6b48af21b6. 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/CLAA22300065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59d0d5299574265606f65b11ffe8b7207c85019cb65850b9850e84def94f8af4. 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/CLAA22400013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ff55db3261c3fee4c5263080c8cc52251d0eaa3b3419bf9cef0a3446b26bb1. 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/CLAA22400204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3774dfedffb029b39e6297240d93071f2218082ae74fb32af42186f2f250c2. 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/CLAA22400139.
Voy A Olvidarme De Mi (Cover) - Acoustic Session
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54cb74d5ab88196f7fbfa7023a75678334aa630e17b362caa008f9bbef719faa. 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/CLAA22400106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8db70cb171ad2fcec05d7e6e1bf104faa31e4905ddb66cc014b2e0a5f9b2b22. 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/CLAA22400107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x693c861286a98d460a94e53bb64ae85ee5ba7308d15e08bcb769d5ab9579ddee. 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/CLAA22400108.
Ananipenda (feat. Soge Culebra, Marioo) [Remix]
Ananipenda (feat. Soge Culebra, Marioo) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6394f7815b2f7e8f312aea068d216b13d62d84e390f4d7acbf032a24b09483a7. 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/ZA56E2415566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44d6d5e44c2d029476982d63801e0617df74a1b89b45ff7bc036b8b974cf1ad8. 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/CLAA22400019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74eaf879fba56f6e8bb2f0fcdfaa6e99d6a21113f9e8450ebda47bdd0db00d5d. 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/CLAA22300438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592476f33a01cb6583d81d4f5e8019b822fbba6e5f70563f35e01f8915c84572. 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/UYL842300048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb24b26f8764e9d53b3f6223ab62ed8815ffb946109216b47b011bd6071dd6a19. 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/CLAA22300240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04327764fc5b225f5b56f11306b3f11e261e25bda290337688a20fe196d7c1f. 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/CLAA22300041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2790af045a17617131c0777883f7239ae01522465929ba0acfa32264961a81. 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/CLAA22300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f9101d97eca2a094a98f127796ac0ccc94b867533357bcd137f45478429baa. 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/US7VG2346102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf098bad7af3ddcf6a6455379c94e2c82d1ddd20fb9453863d6b33da98faa7531. 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/TCAGQ2245821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x189f7bde7ede9452d82aa083fdf8288db3165b9a3107bec51fc8145c95cf1a66. 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/ARQIH2291757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x394b4996a891af976e00551c823454715f6d6ab8b4a2911b7c7a232fe0946e80. 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/ARQIH2291379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf3ad4c45ae159fc1bf338bb37d83f2a90ec20d7ba591b54ce2a9665dfaea83. 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/CLAA22200100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde068e1dab6f186228cad9ed52d3dd607454dd0f3d303ac65b6f6be264e85f0a. 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/QZHZ42288794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6655cfc2029b021a9e70654d95c1a0f56ebe9937d1387cbbfc40adae9240f09a. 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/QZGLS2248358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7611fa6beb4714f9f4d35db77903ad0ea4083fceacf0ecd7cebbc055b806ecd6. 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/BK4DA2319173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366ee50bb8ea4b36a9859c55ce165e01f59038f1ccba0a8cc1d8ae8680683238. 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/ARAT92300203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb80465bb1eea5bd7ca4d35805e9760554cb4e8f17ada934d482d0a4d7aa98d47. 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/UYB282411400.