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 0x2b252fe1d687ab822c260e543f31f79df480ece6476be771e89dbd009140374e. 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/13e1b785-ad46-46c4-aa54-b94a1b0190bb.json and https://artists.proofprofile.net/proofs/artist/13e1b785-ad46-46c4-aa54-b94a1b0190bb.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 0x93c8ad2a0cb1aa4f66e0638ad1ab2f391fa7698289c43d8b90cc86238b1c8743. Chain 2 (Bitcoin): anchored in block 957767 (2026-07-12T22:25:13Z), 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/AUHS01204813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be133cccc1337e9c02d8a33a6171f472d405b6ed0799f2645342348aa49fc31. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/AUHS01204817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c222d114da6780a06aa48528953c15542e9c448d5fbf7b75d735851f3e34667. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/AUHS01204818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea57a616d1a6f34d0c803c761de3992f32ea38ca1b50e0cd13a8be05aad45a1. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/AUHS01204819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734e1e6036933fa49703070a66cb96af1237664d811fcb7274f97af34c79ab08. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUHS01204821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75df0213c2188d033a6ce992977b920f072ae0dc8c7ad4b90b804f7121c2d37f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/AUHS01204823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9f01ca37b997c749f5571ac91dfb2f96164c2f6df1f6da4e11c8e97d28ab3f. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/AUHS01204814.
Ku Percaya (Pengakuan Iman Rasuli) [Indonesian]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7edc2e4f4a115c54ee5a2c88a4e37b2fb362524ab409cd0fc025692770d3b73a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/AUHS01810097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea73a8a691c95b1cb2ece0f3666d380eb122c3bc816b755d16b37e8cf4fbcb34. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T21:39:29Z), 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/AUHS01810080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7edc2e4f4a115c54ee5a2c88a4e37b2fb362524ab409cd0fc025692770d3b73a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUHS01810097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16304878c260a121054a6fe7bb24a7e0daef7d95a17e83427e5ab33cd329ba8c. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/AUHS01912186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac36fc88c582ab4c4ce25a219e31520c3f1ba05252e8ea55e5ffa858140f75c0. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/AUHS01912187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5baeb8f3a55f61d98c25f6c39f327ee91b1ae0af3fa8acae524d14eed3313f10. Chain 2 (Bitcoin): anchored in block 957775 (2026-07-13T00:04:23Z), 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/AUHS01912188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf912ee10ff833c7544eb184d778341f3936e63b00d0f74f632da13717929de9e. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T05:45:43Z), 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/AUHS02013209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x274a69f799ff842a5b9d1fed4fc437ffa16c455aaa9fe30fbf0cd637b4122e99. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/AUHS02013210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7188282bc7f73b0d9677feb657a16bfcfb0bdf3df8158313797ef262e500b85b. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:46:56Z), 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/AUHS02013211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e7f8208af45b070aa68f8b7c03dd00e7426b9b03a9497336574ace1d12d091. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/AUHS02013215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f4b1a38c29db5d992d25724d92baea8ffbcbfeb6fb3cb1d204370d273f001aa. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/AUHS02013214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4375d082beadc00d000fa779fdc2d36bdd3d358a93ec26a4d82e3f9a7383e192. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUHS02013213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c5db6456994c11cbeed6acf4d511549de72c1a847ab75830b8f05e37c0e1f39. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/AUHS02013212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5909fcc7ce10860dd7bcfe101203f9ad6efb7cb8d65c912039e2c75f345722a8. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/AUHS02114585.