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 0xa910002a00e8adb47668ebca652d21aa1f5e9c4e5adf9aa7d8a4018ae844d416. 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/e15608c1-2599-46fc-a1c2-e459172b55e1.json and https://artists.proofprofile.net/proofs/artist/e15608c1-2599-46fc-a1c2-e459172b55e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Waiting On A Wish (From "Disney's Snow White"/Japanese Soundtrack Version)
Disney's Snow White (Japanese Original Motion Picture 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 0x7c281e609a883948df1218da32753cc9e8703af6dadb00bc47342e2b0812c61b. 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/USWD12536771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8fb733cc0f71b46e57c8801fbe597382c42bea708cede7d9d0ffa9bf6d0f8da. 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/USWD12536772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946e2aa34621c3c9bcae70b53f15a6335eb8a4f7da00abdd66d93ca7c826e7a1. 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/USWD12536775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b260aba21ac74f1221c63cbb53cada03d6b647894be8f3e16e27efe5b929505. 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/USWD12536776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe87d2c7f192210ea9c6e29ea7687510487852a267b8f20d90088a0dcca38aa01. 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/USWD12536777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a269bc1f6f62907d65b5e5f961462dfa5eb868bc91f11fce86527279987ec7. 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/USWD12536779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe19dc193e10c87f9a07ba562ded8c27b3298bba1dba58393534f5cd33b6860. 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/USWD12536780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd282d8057dc2cd4a6da9497e09b0b984a8207648664eeb7a21a733ad138cc432. 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/USWD12536781.
Disney's Snow White (Japanese Original Motion Picture Soundtrack/Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c281e609a883948df1218da32753cc9e8703af6dadb00bc47342e2b0812c61b. 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/USWD12536771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8fb733cc0f71b46e57c8801fbe597382c42bea708cede7d9d0ffa9bf6d0f8da. 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/USWD12536772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946e2aa34621c3c9bcae70b53f15a6335eb8a4f7da00abdd66d93ca7c826e7a1. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/USWD12536775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b260aba21ac74f1221c63cbb53cada03d6b647894be8f3e16e27efe5b929505. 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/USWD12536776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe87d2c7f192210ea9c6e29ea7687510487852a267b8f20d90088a0dcca38aa01. 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/USWD12536777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a269bc1f6f62907d65b5e5f961462dfa5eb868bc91f11fce86527279987ec7. 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/USWD12536779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe19dc193e10c87f9a07ba562ded8c27b3298bba1dba58393534f5cd33b6860. 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/USWD12536780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd282d8057dc2cd4a6da9497e09b0b984a8207648664eeb7a21a733ad138cc432. 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/USWD12536781.