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 0x820fa795f36889dbabdf07b3bcbbf94b06e6b67b76569a68a8677a4ebf0f5b9f. 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/b6d88e4d-1e2a-4636-8906-697c13138389.json and https://artists.proofprofile.net/proofs/artist/b6d88e4d-1e2a-4636-8906-697c13138389.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 0xe450b94bd85b1dc48f2389b8c364f07ea1afe5cea49f88478277d2d421916dc5. 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/USHM92595378.
Aesthetic Upholstery of Molested Dead Flesh
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc06756714e3301f1744c91226f08f8b8a5fdb37b788ef28fd33bb5c6174904a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USHM92595377.
Uterovaginal Insertion of Extirpated Anomalies
Aesthetic Upholstery Molested Dead Flesh
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x355ba41d07f50d2fd060aec2146353f9a2dc62b946f6e9136f5357bfe04c59e3. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T23:53:07Z), 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/USHM22529960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e009eacd841e4769ae63ef13feb787d7a4c0a29f8e4262b4b38cdfeb1042f32. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:54:54Z), 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/USHM22529957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8abd80d260624302b3f267ce10eff26937ee73f2d5080492cbe72f109f399be9. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:24:18Z), 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/USHM22529958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21ea7aa3a3bb1272de5a6ca9eac133a8ee942d1b6f262cfe003f7448a5d8a7b8. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:48:41Z), 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/USHM22529959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a93e53b69a4c1d08355cde31a1dd6a7e14ef6329c316b3f5c5c85952ebe367. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USL4Q2441274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b2f6b804a20cb732318c0e288e025d40b24383c1cb3cebaee87e06f4ee82f0f. 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/USL4Q2441276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b34ba843695d2a9f0cac7b0ea308b5ce49e6492e33bdf93d56545292bf5279e. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:09:58Z), 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/USL4Q2441277.
Arcane Rites of The Transdimensional Progeny
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c2f983e8a2b3800402ef1f20242e42b95a06fa7a0453e0a517dc053c9656fd. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:46:50Z), 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/USL4Q2441278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6dd8ef9269a7f74e913e3fc30566352805122d7171182b1dbba0cc612e86193. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USL4Q2441279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf68c0d1f412ee3710368bc5a91441811560c96cb570897117c8a074b6713d4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USL4Q2441280.
Entrenched In Fluids of Enigmatic Predation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de7278c1230f369f8507d7f415afda2ba2758a2cb7f4136b2d7118d356b26de. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/USL4Q2441281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95339f360411c0d2373f003731bbe9aa02fa64681ee557ec1ce70dc933c0fe5e. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/USL4Q2441282.
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 0x81fabb481d8718c8080b5e940dc69d6fabccbb224b4d6b4a3f7604f36b587ae1. 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/CH6541681085.
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 0x9e37fa94ea38a0c4c67f0ed84986e263df55fb01f98f9ffb1280ef84339275c7. 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/QZ4H22405002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad2285337df9ab493e0a707f089247cb9b0a4f6ae3a43c65dae60f129d754fd. 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/QZMEQ2377782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd766b3891be160b08489c33d2e6bf1822e9828c2588d92dc84927da31b47bfd3. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZTAS2132146.
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 0xb6596096ec677947b757f7450ada43da1e3684f0b784b27af0e1a9ee25bb76dc. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/QZTBE2344605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x315b44a7cb14d927c77cc5c2a00252c323efb33bec33ce2cd88521226fc471f5. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/QZWFF2427664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f84e0b31baf5291908f275db33c4d1a9c4be1fc3d6c5dd892e617bedcc40a82. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/QZHN82287100.