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 0x4b1ec57aa7e5fff22d44b4ab673e7d9cf933b3fe7ea0e972e0f57ed78affc4a4. 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/affbbece-020e-41c3-89bb-a28d66d66b17.json and https://artists.proofprofile.net/proofs/artist/affbbece-020e-41c3-89bb-a28d66d66b17.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 0xaec715f1e36372e999f4c70128a91103e337631b91b2717e7a491e91e6c63d89. Chain 2 (Bitcoin): anchored in block 957616 (2026-07-11T21:52:36Z), 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/FR10S1618785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380706acb2c83cb71498697903d0f6320fc38fc149e2e1cbdf1534807fe021b8. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/FR10S1618786.
Не торопись - Из т/с "Всегда говори всегда"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4c9e0064ef88be9ac09dbecede10b4ce3a7b9e9cc3a467915130479878b7d0. 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/FR10S1618790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e5c7bf5bc789088a760dc80c464dce2d7ee1f101fcadd31ff2ef610f3544de. 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/FR10S1618792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e32bcf4c241ca7d59a940938e9b8e7bfa074631efaf67d3a370b3529a2b01c0. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:49:36Z), 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/FR10S1618795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99fbf78791cd7621195581d3e17aa46c23f77e757560902e753f66e775c03760. 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/FR10S1618796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e824f4bcaaa3f476e43b0472254d1ef92d2fbb05a9018228e7f3592184941b. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-20T00:23:35Z), 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/FR2X41547323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf90edb86dfb2b9148f596f76873262669230baf336959bba960d438a44b9ad9. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/RUA1D2215658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d4cb921e30d7d1a16d8ed49159c52e3cda94e89a37fbe8513b2f6b0366e45ac. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T14:04:41Z), 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/RUA1D2215659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a689bb294bc1492dcfba3b02ccbc009632a6abcacbd88766e933fb7633af312. 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/RUA1D2215664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c7dddaa26ad19c7715a150ba6f04a03b3d7f42bf32f86e58d09cd0addf54291. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/RUA1D2215639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c26974b7763102613f2d418771d02de5d90cf1b3177530b80ecb4128afa8edf. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-20T00:22:15Z), 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/RUA1D2215641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc078be2ee94b51896b02dfa23e6e075090925b1f6071849666b15870fad248. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/RUA1D2215642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dc7cc2db1e42d4aa7268909ec19ee3e1d71594abf3ede341ba91f4dd665c0c. 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/RUA1D2215645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90bdffd4d20e6abeb08d63080e1e19536bf847d68b14cc5c5baab5fda8641400. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:05:59Z), 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/RUA1D2215650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2778a1a4950fb541f24c85a9a97c3db935e542eafac8893977d27d5d81b6aa3. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:17:45Z), 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/RUAGT2375274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d9c701d32ff46022930a8539fc66accbb8c430835455f2c1d8d1b8c321587d. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/RUA1D2445114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6df6e003e567e00dd8bc9b45b9156f8292cf6c42ec4d22a0849ce16725b3ab1. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/RUA1D2535472.