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 0x947dc3a2ec19c7990df035b3e882a13f569d887f5fb251435125c9c0249bb9e2. 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/9613d188-c8fb-43f4-93a2-83af34d70f02.json and https://artists.proofprofile.net/proofs/artist/9613d188-c8fb-43f4-93a2-83af34d70f02.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 0xe2e0fd66b3f2d6ad6e6b81ec255ee9d3fada78bb6e53fc1880e5595df2d5c413. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/FR96X2259164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6674ab4a426267be22c7828564dc016bbcc5c3181c2f41d56f76434ef1d09eba. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FR96X2287332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c3d44ee9fac68331d2e398116bcd9f2cce18b7a1acade559bd7e8bb163dee00. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/FR96X2288506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd79c3474816051922e87a0f349f44f9811d5a1c3c4bef8127a550f82495acb3. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:07:49Z), 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/FRX282221517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c03d4032cff2ac467396922abb66bf5ff9e73d42477171cad12265f2b22bfa. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/FRX452296288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f36d81956a318835da98188f28d321a3aaecfd146d282e94a84b145a8535d50. Chain 2 (Bitcoin): anchored in block 957705 (2026-07-12T12:50:42Z), 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/DGA052279225.
Urang Gilo Indak Bara nan Ka Gilo Banyak Bana (Dendang Minang)
Urang Gilo Indak Bara nan Ka Gilo Banyak Bana - Dendang Minang
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea816e0b28e771c60995228fcacb345b938ddcf7b554431b318e181e324eeb2c. Chain 2 (Bitcoin): anchored in block 957699 (2026-07-12T11:51:06Z), 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/FR59R2307107.
Ayah Sakik Mande Tinggakan (Lagu Minang Sadiah)
Ayah Sakik Mande Tinggakan - Lagu Minang Sadiah
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8588b40cec090feae77510144052b792741a9ec6a0072b30ad7f0ab1b70275f0. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/FR59R2316159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a677f409052cba33d53e38aa4ce22ac3553438b353eb1e2711c3c61da270564. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/FRX762338838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47ba05a1f39d2219f13016723a7dc198fe7dfb6b05058dd9904120aa2f0a0366. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/FRX872337106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a1a50342b2c1bea2b0ce80fb68a56f904839016de706cf49ff53e071be18dd. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:59:35Z), 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/FR96X2425450.