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 0x150e8c8a57dd8d55b74e34f41c9a9477c64c75ae430c20486913abdbaa55f08a. 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/71bbe237-66a4-4d81-a55e-74e9eb3357fb.json and https://artists.proofprofile.net/proofs/artist/71bbe237-66a4-4d81-a55e-74e9eb3357fb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Encanto (Originele Nederlandstalige Soundtrack)
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 0x6a5649c7a71353e5f3988a3604e4ba8bc1661b4cd62161332befe224a0813808. 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/USWD12113077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0528be84653b4b577fc540e9349a6b4ee15a3eca11fea04b32922b5e0ffd3b70. 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/USWD12113078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce996867554deec32df263184beea922b245b0c7c23e76151a0179bcd2967488. 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/USWD12113081.
Vaiana (Originele Nederlandstalige Soundtrack/Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d4c1d9f8533908118d9ebe18077da1f2e53ddf8dcee2bcf915e177fce95c2a2. 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/USWD11678000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb79656780c754819fc8be6f0c7c153d711f5c53c5d1d3ecc7b1b780e59c50dd8. 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/USWD11678002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940ff582b1ebef03c36439006deb526f6372f43ca95f481d29b93c341afebeb2. 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/USWD11678003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x817d88797984c4bb3c74fb6222598e6f626d67c6b893c2d6e6b765bececde8d7. 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/USWD11678005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e3d9f59f318698abcd4994323d41717cedcd5540982c326c29ff11850adf86f. 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/USWD11678006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bdb12443609a9ef12d537b9e03a3b05a4c6356716f8ad57775d29889401c5d. 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/USWD11678007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x583578101e1411092c31ede6548470fbd57e6dc14bac8cea01d8343a14dc9aeb. 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/USWD11678008.
Ooit zal ik gaan - Vajèn van den Bosch versie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4de66997ec6637cb9c9300cb4cd4b04ee1a796cacc92c00c5d0821b6911ea86c. 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/USWD11678009.
We Don’t Talk About Bruno (From "Encanto")
No se habla de Bruno - De "Encanto"/Banda Sonora Original en Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2279b3fa988c1846685a91fcbc966efcfa9284aff0528071b38fac8615ef74b6. 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/USWD12113171.
Ne parlons pas de Bruno - De "Encanto: La fantastique famille Madrigal"/Bande Originale Française du Film
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e1e1813296647c439b0c68beb7a79aaccd51d8ca552dbb410ae82af2117033c. 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/USWD12113108.
We Don't Talk About Bruno - From "Encanto"/Soundtrack Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc56349e1e7455f0d61668e4b91846682d1a96c909f6d8d22a731c8399f16a6. 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/USWD12113252.
Não Falamos do Bruno - De "Encanto"/Trilha Sonora Original em Português
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55646d7328861da760eeb25e2dc5f587d88839e01b47659b518002a4ca85c0fb. 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/USWD12113179.
Nur kein Wort über Bruno - aus "Encanto"/Deutscher Original Film-Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7a6a29df1891c54852cd11f16ca550d0cf7dd4255d43e4e3193b4f59e26ae5. 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/USWD12113122.
Non si nomina Bruno - Di "Encanto"/Colonna Sonora Originale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c87726e98290dafe5e989f27a1c346d12b913608998edcf9b500ccd9b0fffad. 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/USWD12113317.
Kom Erbij - Van "Belle en het Beest"/Originele Nederlandstalige Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2df4e409ab3d791ec742b9c815db0c8ccaf437b9fc21cd393fb6ce0157e1129e. 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/USWD10527977.
Kleuren Van De Wind - Van "Pocahontas"/Originele Nederlandstalige Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f490e9d5debcf5a68c859531821a790fb8f18cf4e8f0e9f6df137e1bc9c5fed. 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/USWD10526228.
Als Je Van Beren Leren Kan - Van "Jungle Boek"/Originele Nederlandstalige Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c8e527b5a7c9c9a9d4b64629ca4df3dcf92bf957aecc078eca9c0cf206431f. 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/USWD10628795.
Diep In De Zee - Van "De Kleine Zeemeermin"/Originele Nederlandstalige Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa69b3da921e970bab0ee53184e0776a927cacc1626c29551b72629f1509809bf. 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/USWD10525011.
Vaiana 2 (Originele Nederlandstalige Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c056749fa3b5dffe38a82a117e6d54f00275bf92e5f9a13fa7c7aacf9d1cb3. 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/USWD12434547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e04b6e89627dd423caae0b2f798969d37e3b8b7bcbd7ddcf3d28223198562a. 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/USWD12434548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d1c738801df287defc998f58a2bc807f6b060d42cb91a603d153328bdfcec1. 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/USWD12434549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a393675be401eadb41762a5081ebf023b6ded95762f735fbccb22aea0538936. 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/USWD12434550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401c4af056a48002922e92590fb9a0e7370310e31aeb75f0cd0693d72b99228f. 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/USWD12434551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff6e1fd26b1e2af87603be253a571fd1816e22f6dd5c33031ae417ddd55b0fa. 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/USWD12434552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29371af22c98cca2c4b465e081fac11c00d1678a3d634b9e923ed48db55fa1a. 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/USWD12434553.
Vaiana 2 (Originele Nederlandstalige Soundtrack/Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c056749fa3b5dffe38a82a117e6d54f00275bf92e5f9a13fa7c7aacf9d1cb3. 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/USWD12434547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e04b6e89627dd423caae0b2f798969d37e3b8b7bcbd7ddcf3d28223198562a. 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/USWD12434548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d1c738801df287defc998f58a2bc807f6b060d42cb91a603d153328bdfcec1. 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/USWD12434549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a393675be401eadb41762a5081ebf023b6ded95762f735fbccb22aea0538936. 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/USWD12434550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401c4af056a48002922e92590fb9a0e7370310e31aeb75f0cd0693d72b99228f. 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/USWD12434551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff6e1fd26b1e2af87603be253a571fd1816e22f6dd5c33031ae417ddd55b0fa. 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/USWD12434552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29371af22c98cca2c4b465e081fac11c00d1678a3d634b9e923ed48db55fa1a. 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/USWD12434553.