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 0xf4466ba37005cced3ae18fed0bf9a4b1b1a2f5a955824b037de5bf7ef2885dae. 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/ac8980c4-d0a5-4906-87df-d1f9d77200ea.json and https://artists.proofprofile.net/proofs/artist/ac8980c4-d0a5-4906-87df-d1f9d77200ea.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 0xccbd5e2237354caf7eeffac47656da5a6defacbd87b17fcb646a52bb18f3b7b0. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:32:45Z), 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/FRX282241821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6c8a5380bfa9b9a932f8c6c880b13496fc8a3aa8645e4083cc79634187095c1. 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/FRX282241822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7f372cba2e8d89829b5bf441da820b975c06e506966ff6623d7b24f320a877a. 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/FRX282299690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee1b2e5745b589d5e32896967fc771b156415af66b4411632c3a182d5f492707. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/FRX282241818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859777014a7bf8a707846ecb59f8ca8eb1a9b25bdf9345d00026db8a49d044cf. 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/FRX202298609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a5d7106e6be548ac63cf8c90ef90c8ec313ab04385825058c38136449389f4. 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/DGA072212696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf511fee8c839aa9c2b581a4fff5f43e48697c981e038cb59cfa57ad75be78fcd. 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/FRX282241789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff86d5664d78224171e2d1b3a4b46493e5dba39514438ebf10c3236179db948e. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/FRX202298670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4795ba4406309a8dd5b8ce9603671c1f3f46676cb298f63f77c6501e8d9d930a. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:08:00Z), 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/FRX282241816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb5a4f3410272118ca9dfd07eb26c24278c7465867c5f91d46ffc3688eceb5da. 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/DGA072273443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d3f36008ba1b4505507f4ab1dda4a123f960a492f385a94239cd18340d6a056. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T22:19:42Z), 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/FRX202251451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf56d126ec72269d12b48097c9bb192789b4b4c65e53d6c5b8c835f0536f51a8. 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/FRX202298581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69d772b5671220d879767e4f8cb6fdc196434e7230b65fe0ad7d6e866914f57. 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/FRX202298669.
Azərbaycan Oğluyam / Azərbaycan Oğulları (,)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x173b9144c2b0d90e29973d720ca3c0bbcdae52491b259b63b17feb2511003200. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/DGA0L2461985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4f5a3ec51291b3c4990aaae5c3b4a6ccde3134b7e0791955d2796109f6b3ac. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/FR2X42595401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08fe450ed2128f0918ed4da6d01057e9b3268b2944ac093eb868cd6cd3fd6131. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/FRX202513322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2a36715d3e17796d4cb80c607e1af3f2c9a2bcba58e0f49329f0de32c0503c. 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/FRX202514689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc60b85e58db3cae893fdea81723e3ceda63ba24b61b97d66be54a3f4109ab0. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T10:24:04Z), 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/FRX202597119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237cdb39a83fa8a79285daefb0b09952e5bcf63df7116d79f5fb87f1c61f0e5e. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:20:38Z), 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/FRX202597113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc91f767bff47b03c80c4ec51301f98a33ca10360f03fe3f1c11e9d05d2230467. 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/FRX202596716.