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 0xf6ebb9efd8cc758ba3d28f51ed45f954afba2303c488d0cda90c0764f288c387. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6dd7159d-d48e-4258-8b81-3a36267f3019.json and https://artists.proofprofile.net/proofs/artist/6dd7159d-d48e-4258-8b81-3a36267f3019.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fethiyeli Ramazan Güngör ve Üç Telli Bağlaması
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 0x98322bbcc8b50679f213962eda741d5791af3e7038145c2cc110f6a63b3ec106. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TR0330601010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7328eb74170127ba78ba0a6a4a8ced41b37f3d69def756e452b1397b3f7bd7d8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TR0330601013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eebc75e5d039cce78d3434d6e2c21996051edacfb0510efab6795cc754a4189. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TR0330601014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba16c22dc1408f62c645a8a168e1bc1c00ff64fdb7e4e5507e8e2b3ebdf0b74. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/TR0330601017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x265cebb6ebfa385bd499446b6720754e8d9eb88ebfeeab2e3080962ea9ecd4b2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TR0330601008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4fffe5bcc5bce8bae1df9fec0fc35846df70ad74ae2569b9aaa6d07605c58c8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TR0330601024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91fb1be6a1164f63804ece2625722292186efbd916876515a3692662319a0f2c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TR0330601025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x252caf7b93f5b22fddfdca6473f4e4eb106c921d49d80e5dbc18ecdebe72d40d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TR0330601029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb90937eb6800fb3848a755faa7b9ec8224e36d27f25b97436146d1f4a74859b. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/TR0330601020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d49e3af0248531629a36e086c2eedbca6372f9fbc0f338b510250903a91885a. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/TR0330601018.
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 0x818b5c679d7212aae4d22907b1dd8af657cd34ca3cf9774dd7f9305efaafdf0b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/TR0330601009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0476d8b492bd42ff393212c2b5eb58cd6f8859a58c38d00b610bc15480d248. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/TR0330601012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c43f0992ff4beb0c70b991688d33a8904975f4744958dc5c1ce3abe8bc1f181. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/TR0330601015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83b5e7a579661b9f795936d428d67c60354d57b06bf0b43601e681925c4f4091. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/TR0330601016.
Turkey - Turquie : The Baglama of the Yayla
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b49235342a945da0e6397f80741ec98c73161858b3dbe059f9d9337fb55344. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FR6V81127084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2495e0ef7bf0784ec0f01d1142461939835472d387a01b97c0e8bdd75cff4bf7. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/FR6V81127077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32fb676d12ac8f82a34362011321eb80808c270ba7125bfc6e22e7fe2cd52680. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/FR6V81127081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d672c0488b4200b353bd0e7596f77dcfacc7e0b3946ae2ee25cea26153a1e0c. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/FR6V81127082.