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 0x5f20c9267dc03b027c7592ead9d303bf6c8d21477652a8d4d59a026ad2fa742c. 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/fba404ef-2fc2-4826-bb07-50c75c7c467a.json and https://artists.proofprofile.net/proofs/artist/fba404ef-2fc2-4826-bb07-50c75c7c467a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Una estrella (De "Wish: El Poder de los Deseos")
Wish (Trilha Sonora Original em Português/Edição Deluxe)
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 0x61519c641c3aa749189fd7ec6273ba526339154ec47045eba2f74303a21dd82a. 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/USWD12329568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6dc15fb0fe9f44567e4c4ef0acd88fcbfc7eff93a93d4eeb74b5b6fdb5b73b. 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/USWD12329571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305160237474c2debd309a8b3ea5978919cf78db303d9df518da8ec569045092. 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/USWD12329573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x245dcbed5ae9c8fa28f1e3d7fcc9883bdcd0caec7ffe3dae147970c86851251c. 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/USWD12329574.
Wish (Trilha Sonora Original em Português)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61519c641c3aa749189fd7ec6273ba526339154ec47045eba2f74303a21dd82a. 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/USWD12329568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6dc15fb0fe9f44567e4c4ef0acd88fcbfc7eff93a93d4eeb74b5b6fdb5b73b. 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/USWD12329571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305160237474c2debd309a8b3ea5978919cf78db303d9df518da8ec569045092. 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/USWD12329573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x245dcbed5ae9c8fa28f1e3d7fcc9883bdcd0caec7ffe3dae147970c86851251c. 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/USWD12329574.
Wish (Banda Sonora Original en Español/Edición Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989098813d4c3f2454798b834c1f246e717b2330c49b35e874560fc988a01969. 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/USWD12329380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e01a0d5e121389257842649d03d9c374bc9ec5079064efe01a756d3abada3c. 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/USWD12329381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f79b4e0f65867a1237587c746b1a32a66c8a01bf1f7bb8ce8927764ea9ab8a0. 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/USWD12329382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb177cbf1774ee273e8076c44ebb19852b3cf912135ad2a010946aafe4c41f9. 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/USWD12329543.
El Reino de Rosas - De "Wish: El Poder de los Deseos"/Banda Sonora Original en Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989098813d4c3f2454798b834c1f246e717b2330c49b35e874560fc988a01969. 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/USWD12329380.