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 0x1c8cc75ba8321ff2d76239ef9715c5f87c30efb8e7d6e41e30b60526e3e85303. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42cab11d-1557-4b0f-a03c-77fd6a8ab1de.json and https://artists.proofprofile.net/proofs/artist/42cab11d-1557-4b0f-a03c-77fd6a8ab1de.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 0x32dd1068e3fcaf622fa1a9d0c9b5ffc34838a7c95dff1c27b1e5f7caefb88975. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-17T00:59:51Z), 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/QM6P42044009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88747b20bdd53662b1b63dd2f8127c9e6374fc3cf9a0cebafeb6fae873a0de8f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM6N22020139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72ab5531bec6b768fd7f5396b568851c9a32833747df7f8271bf78f3a1cff0e6. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QM6P42003618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a6cbac3d934c89fcc39f9b70847588f1fb9b456d53c83725ea01d7ac23d67c. 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/GX4R52153842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc348b99308edebac68f3ccbaf70ed17943051cf24a65f5f5308d93cf1c9384ba. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/GX4R52153859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88393068ca86721054952ce3f56afdd8bf6922e7dfb322741e0d2f44423d4ad. 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/GX4R52153862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0278853eeccf0758df3f1d324cbefcd10ed49755df902a79e203e68ed646367e. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:54:48Z), 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/GX4R52153865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed5fb9b134759828a8a6b9ec1abd532e70c0d33817cfa3a53472d619b28999b. 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/GX4R52153890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedcb7ffc3a9f00a4276cc98c911f51a368caf8fb424594c0cc9808e79d9574a6. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:39:25Z), 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/GX4R52153894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8175624fa5d0edef59cf1e5557bac98215efa297e08dd4840e1c88f4ca9ed60. 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/GX4R52189746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d77c7a9da0e203f804c1773ccc7959971feaa5ce14a389ff05dd834f7b86a4. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-17T00:56:05Z), 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/GX4R52189804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b0ac26567007b2b920f28b8c3c1de73f277f75cfeb7f271365658c1aad86232. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/GX3HH2182310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ffac6c26882059a720f97cb45284499494838b125d76c88de7ac4e9782fbb4. 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/QZSYP2585864.
Sunflower Samaga Jothi Sujatha Anjaleen Yuga Gee
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f510601a9ac723e874c6f050d82450512f204627c84a86e6794741d0470b19. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:12:25Z), 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/LKA000011551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc030d91a956e9b029bd1a13002fd7be6c9eaab8eda36dceaed8ce5facffaea. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/GX4R52161955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46427e004f2270ab6d974ca4d4eca38028edbcf0f7a4714b3c67c4e84608da3a. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/GX4R52162117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaac802628c9f11e15f98814654df8ed27337739ae325dbb78b32cbca038d7f4c. 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/GX4R52162232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f26b5850ae405ebe51006303e6657f3738ba6312cabe03acb487824d7370850. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:08:22Z), 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/LKA000006168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435fa72e92777afb77b52d2b97b719c1374853deca27a651ea481689dbe12cd1. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZS7J2318632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37ab94cf98540a4d920f416836720661766994bbeb0dbe8682e1d78d95046933. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:58:59Z), 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/QZS7J2363851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d599cbe27ffd6f782cdeb584009ba6d8e8496ea8e1a460d626e5a15011af09d. 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/USA2P2543194.