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 0x02449defb86d5c349a1aaffa45400abef2578b3b269666c52330d65ad6aea8a0. 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/15cae215-489c-4cb1-8389-d92311715ab3.json and https://artists.proofprofile.net/proofs/artist/15cae215-489c-4cb1-8389-d92311715ab3.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 0xd13c44b45ab19648463c095faac99816ad847e9adc3e0e1426e92f33618eca2f. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QM2PV1717205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x699a1c69ef2ad3c6a6bb4c7dc8fa4399a9ba42a14ace1d8d776c0372662c9e2b. 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/QZ9JZ1770977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0950dc2bfb9e912723af7c1d4a30dc19075f55b1b7841f4e76bb264c30e2c0ea. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZANL1726505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13dd4da26e5eca78996a616772413736d9166bf24f98fcefcf8a06b38c1a3330. 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/QZAPG1769937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e42e653006751f44666c305ceb1f08958ab23afba47d3965d2c14b74cddf159. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZAPG1821838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4314655059aae7a620e14de2ce7caefb9915d8eba6474faacb672bb7aa920ce9. 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/QZES61891860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a1731c85e0f2a9abbc3894a2bc699286a7843905ee20f87a57ffca06fd266e. 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/QZES81914487.
No Man's Land (Inspired by 'The Outlaw Ocean' a book by Ian Urbina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f8c04f953b7ca340688a3641b5c386d9260918809e2782601d1d9f150d5483e. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:37:25Z), 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/QZES62182049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e4295103639077dc44be2a526d207d79a405643c11257bc1b0fba299758ca1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZK6L2156982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc8cf1cffacc50f6683d1fee5fef4b9ffe9dc7f23cdf9df0f1d3b065c04b219. Chain 2 (Bitcoin): anchored in block 958322 (2026-07-16T23:24:03Z), 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/UKZGC2301852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb2493b9c2995285973e7bb182c41bbc56532ea6d23f72ac9aa2c315afd3155. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/UKZGC2306138.
Memoirs - The Aurora B.Polaris Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5fc6675dfdd0a94383330d90807ba9f6e218f5f3b4728e7a66952b7cd3a6e57. 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/UKZGC2401344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb816eeaa350924c5da56be52d6b4b08502b6ccc38ba6ce53516bf30f915bbd93. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:24:53Z), 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/UKZGC2500776.