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 0xe796e602876f023fbc76e1b9204d192302e691c608568a87db4448af413fd3fa. 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/b7db4ec9-e5a4-45d2-8546-f0afd01b7150.json and https://artists.proofprofile.net/proofs/artist/b7db4ec9-e5a4-45d2-8546-f0afd01b7150.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 0x513279dbcb3a98a69d76e1526a66646c5172923aa4a4f40fa49e27519855bd86. 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/TR2410400621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27e4092c39c94d2a2e7d5accad87a7375212a496e6861287321eb73ac0a22bcb. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:06:47Z), 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/TR2410400605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d769b98ac86191bc4dd6a53fbc0454da0599f3f6f961c0c918376e7261b34b5. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/TR2410400604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1237a2c4affe8d1a096016d600c94314fa21714b9fcf7f82963c8d2c03848bde. 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/TR2410400607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88edcc86a267d43635466953884d2a062a5689a792674836cad285223dabbbde. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:53:15Z), 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/TR2410400611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f5ada678c4b49ed3ab3185f44584eb80740835af2e8c7b16a984d1a8fd915a4. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/TR2410400609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e91039114205dcc4daa821abd7ed35c8b8de60ceeb2e72746ca3b9eaff4924. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/TR2410400617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b5354ffa3e36ab8556323993f34fc605f2e20e4a2e6433e69fcbaaf548afdd8. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/TR2410701095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1463b29c6555432b3d7ced33f9813e35474ab557383a5229595063bb2a085a63. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/TR2410700108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d7f04bc6ba964c1b3dda57251c40d7db739f703c97c305d13bb9aa904ef6641. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/TR2410701106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9273d7eef3e1585bda2b522f52d6d8e4f431e98b956ee317269c9d842cbb497b. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/TR2410700099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05690e9bc3fd34410071bb2fa818b70e2bd62d0bae9d75e5a727fb6211510d98. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TR2410700127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96a2c29723f34f6fe41a66ca8aff13620ddbd4d937e551a7818a490bd81c70da. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/TR2410700107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c1964d18f99d65294ab9f6f552e0baaf72e29281a17620a21615c5c5dc297d7. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TR2410700097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7390d73c90e5105433c780478574bf9cb735b09bfbe94d16339825d4b10904e3. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/TR2410700111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3cc35f30670a77533e90a13844fea2e35ecdbba36fe9a21e62d1a5f9518b57. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/TR2410700100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f8dc5af97319a9269864e0f2ff1861c8902bdaf6269f05d6375f0260ff40eb. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TR2410700103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95b390019b4356e401ad170cc679affb5147bb39f808146eea1d577f9ff1bead. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TR2410700098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241a43053610654721f62bf3a3a933dd402880c17335100d521b33105f9a8aac. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/TR2411000050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85acfdd3033bc13cb2d7483452502e34cadf560ac60888644756293c73127f6d. 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/FRX762055777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd245b5235e1a595ba84198f216f85cc6b43058ec69192caf848a71e99d0df85. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:34:11Z), 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/FR59R2157959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x466a72033bdfe07cb7e4817f9646639aefb4f4ade1e1fa575be78ba87fb044ca. 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/FRX762492890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb055678c499bcb8f848e3492ed196a13ff0b6d77ae2f4132bfac4ca48df1aa42. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FRX872415862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c810e8d404f38a797bee11ec9713a4e68908cca0c5e98ce2f6dd151c75217be. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/FRX872432738.
Adnan Dılxwaz Doste Xelke-Xayin Felekbu Govend Cida Halay Raks Kürt Kemençesi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d1b898a6d42fa471b092ca4f85b8730cdc113a265f08a3df9f9f2d8344eee56. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/DGA0Q2417705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873e3e20d27e1d600ec6720f9ed703ece9e91dbcbfc986b14523efc28347d298. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/DGA0S2444232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733fee53b89991549be167d095753ebe5cdf1d5080be84cd30aee54fa32519bb. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/DGA0S2444238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba1a5ffc5caf71c7e63a3ba6fc5f601f49fab08a511c38951e0b2cc82af81a1b. 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/DGA0S2470505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed893c236dfc64fea42d0dae5edc3a54702bdb85635e80d0c50bc74946eb995f. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T18:47:14Z), 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/DGA0T2413779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09676c221684747eba99e2c4dad638f94f7427f794822d3e1cc54e37fa3c45a7. 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/FRX202508539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd9c2170925222de6eb87d965eff0e390fd309c7cce32eea6cb06c4805fb83d. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:49:00Z), 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/FRX282512326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8d703913c42ca5f5d62d93154b4481a83b82772fdaac4c4bba8cbf3b0d4655. 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/FRX282512325.