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 0xcdbe8cfc3b5ad2ce25cf72e0bc4f2954a83b6db2e2ce0f2a894804510cc4e352. 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/57821c4f-5c03-4ca8-985b-326e15485b7b.json and https://artists.proofprofile.net/proofs/artist/57821c4f-5c03-4ca8-985b-326e15485b7b.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 0xfabfbd990eadd25adffd7f90f2a0985ecd4d3f2759717ceb3f835240ac7bc9d0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZMEN2410886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa377b2bfc57995af6d38aeaf9339cd02ea10c3a8356011ac5b0778b4e8f802c5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZTB52335622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6831b84c57941ea260e398244951d53be1d55dccaac07ebdd4dcf0f9a2710a6. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/QZMEN2449303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb4bb853d4294f405bfd65058771c0eb57ac50bfcb8f3c19ce06a3353b61df57. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZMEN2449304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd15a70363a0e7d18056fa83c300ad573ccca0fab761b7a5c5e535deefc4877. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZMEN2449305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb32875ed0832ccf8417fa9714d620582cff3e75b1381651c1ef9cf8b5d0e1f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZK6Q2443203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3641b9c90a79349c5a007063f08928c49d957bc3b363509ff6b5cde162d6e20f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZK6L2404503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c6a8aa2d8bc57f5eef38be5e7f9b9d26fadb089f8cb0086d731ded9513883e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZMEN2449307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3217cde00e2f017b786c274901cdc2a12faf13df37c456597ab7ad6c939e0bd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZMEN2449309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcdb67439d14c51a97a839cf3368eb6aa800168029eb1454282141b789339a82. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:44:27Z), 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/QZMEN2449302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7d26b9949dfaeb4351034100597c97d1c2ad571f55969c04db0c458fa2ef4b4. Chain 2 (Bitcoin): anchored in block 959147 (2026-07-22T15:43:44Z), 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/QZMEN2449306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca5fc17b15d0a88e67720236137afc8638a0ae0683a94093f9df10e3cf0094e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CALB81277202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81321e1102daef85cf12ae91b6d2dfbd1ad6caf8c70c2b2f6587586463da807. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CALB81277203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x794a2be61b75b9da9930051a11b78a026f923f49ab09ae0255d835e8a95228b0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CALB81277204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0977df21ffe39c99a70eb9584bd8ef2c23e07d8f391f13b634818f4dbf3fdf15. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CALB81277205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53a53cf900661e56344cc292c8c5db9135355488bee09e10ca490c0a887cfde5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CALB81277206.
Digestion of Assiduous Oviparous Embodiment
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31fa58e2015b660bde5a51664f8d93e61418cfda9001dbcea8ce3db14652e08f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CALB81277207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99a7a3bb8a3e9d1ab6ee9f1ca140e1c91c5dfbc05b3216a0de6d08bf585f0b52. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:32:11Z), 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/CALB81277208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x423f65a5114d7ecae508e4f99848100f370b496fbd90c97512380e82647c5160. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CALB81277209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdeb59edb7e551ef0393e92d461925b0695bc175932dc75e428e08d12567b019. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CALB81277210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1e6b341e4d72fbf83f9801bb102775c4ca4e4e17d00cc001fb8657773786e2. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:51:36Z), 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/CALB81277201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c6a8aa2d8bc57f5eef38be5e7f9b9d26fadb089f8cb0086d731ded9513883e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZMEN2449307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfabfbd990eadd25adffd7f90f2a0985ecd4d3f2759717ceb3f835240ac7bc9d0. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/QZMEN2410886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3641b9c90a79349c5a007063f08928c49d957bc3b363509ff6b5cde162d6e20f. 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/QZK6L2404503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb32875ed0832ccf8417fa9714d620582cff3e75b1381651c1ef9cf8b5d0e1f. 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/QZK6Q2443203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa377b2bfc57995af6d38aeaf9339cd02ea10c3a8356011ac5b0778b4e8f802c5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZTB52335622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20d424aa4d5b65de8f850078b797cf5f5163ddd0604af8227d9c92e050a886f6. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QZPLR2373745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb1916a41284502eb5eb23be929e18814d56a63a69b6367c0287118265eac3b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4DW1586523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81775c691093dfd2b16094dcef4050f5afcd5a361c5d9eab7ff17dd64710ff8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4DW1586524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9718a49e008e6d3ad05c97510c94e42ec430179b96934b41582285f9c9d662. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4DW1586525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0d382bc4f14c9a399cd978da0e7831b194c836db65cc5338e2faf37422a486. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4DW1586526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc51f2e2ed0d5d4f7716dd2f01c4a7d03f9acddd2b4189ae4f00135da29e43f8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4DW1586528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b0ee19261d921ba0a6acaafadf3baf53cf3f6b7c5bf92936cce47bdcd5f19d7. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QM4DW1586530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5169daeabdb723417413da46147ebc80ba820b31b0ff7ac5da472ae850c37bed. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QM4DW1586531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7271c235c2392c2dddad9d6b6439696d2a70ddf8c384afdb37750854e60abd72. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/QM4DW1586533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdca3c1161524f15107297663462e7bfd47ab042b1d802a4d987d1365d1c1b09c. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/QM4DW1586534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3d43986d574333f19adae4ac4cb15c54522ccfede28863e8bb70d44031c3464. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM4DW1586536.
Diverge, Transmute, Alter - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7a3a83bad3abb56bc8c38ba8391d2bada68654482b91cc4612e9c32fa91c09. 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/QM4DW1586545.
Inter Dimensional Abnormality - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d8c253b5de69ce479fbd8d1edce29730c97e1d6dacdc5bb366a0e7b1e6424e. 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/QM4DW1586547.