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 0x578b78a169ea67f0ed985e58ca1d2b7f9399639d711257113f9ee57b67470471. 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/ca7c3a67-ca2f-426a-b83a-0794a7e3acf2.json and https://artists.proofprofile.net/proofs/artist/ca7c3a67-ca2f-426a-b83a-0794a7e3acf2.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 0xb5487e8a5ff2658c073ebacfd00ac9aa25fbc9e0cb417b29eb347ad210c31142. 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/NLXE11900223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5a0e7f80538599ef6f8f3af959c88fb9cf0a1f81533ebebf5be099ece70e0d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/NLXE11900246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7837f50622677a52189632f9800954644267e613dcff45e1b3f981cdcafa8f. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NLXE11900264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b242d01f406b49748ac194a191a82d860b5a49f20304bee7281bdda7e51125. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/NLXE11900284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f280220853358f8feb33695050ad693be2b02c97ab88c91aa14db3b7cac20c. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/NLXE11900299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd05dcf59a8572b290af3d976b6ca8819b09b8e96a614485117566fc7ae7088a. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/NLXE11900304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0116634ee433eb0591a665001b40e54e010e2ab6a4c69705887a092b6a7317b. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:48:35Z), 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/QZTBF2398769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17604b2aa4e8b4b119f8ab3e8e8ea70ef80664eaec83988bd13333c7692e27ae. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/QZTBF2398770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eba26faf72c99524ad67d8b00ab24e159e945f515b14e5c27995251d15158c3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZTBF2398771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5491fb88716e9168051b1c89b8d944acb262bb2b584468a7c71ff50478912684. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/QZTBF2398773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9248e5381490cd3747fd1f72106f391b4fbd8d8db55ec3fd3f054e6392bfa9b7. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/NLF1L2008023.
Nahair Me Daagh / Shirley Gyal / Banaras Radja
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997148c0705a2880962f1421fed80c7d6866b3ebd5f5d33d8061734b92271262. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/NLXE12200005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b49f4e0bf68c0a61fa1d7b38526a88ba427e4e2cc4a6e911e82e673e68cbf0b. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:42:37Z), 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/NLXE12200009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee6715df7d7b682110ea3b6b68b834ed55e7fc92aea07ad5d6a9250ec5160a1. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/NLXE12200013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f9d2fc00be8e176194e6f649cf2079a423d418851d8edf9232375e7e38db84d. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/NLXE12200014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5daf1d059bafec1e7bed485a54de803d511f1de3c937d6b98078afc2bde54117. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:27:45Z), 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/TCAHM2318645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9494a6620a7f17c45efbbb62982c43b403b893ae9b0cf649fc2e10a407196371. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/QT3F72552853.