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 0x9d1f1f0b1a59e0d2ca7f0baf12489c0685aaef383a85515a270092f7e38e5dc6. 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/c423f5db-e5fb-4d1a-bafd-21c333d3807f.json and https://artists.proofprofile.net/proofs/artist/c423f5db-e5fb-4d1a-bafd-21c333d3807f.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 0xf64e0e513909f5c90b7fbe35f365a8061c5e01a89782ed0918f99718040f1d17. 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/GBKQU1590583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf113ac16a8a5b8f68405f648418f6d891a4c5fd6b6198776474178aefd1a2160. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBKQU1590585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35fca09699d79d7437d836ee05b8d986992ac47552267ef53edf95cba67139c4. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:29:00Z), 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/GBKQU1669657.
Amazing Tales from Outer Space - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x659458bca8ff251c787a4a8f96aa5b73c0378ff95de46b35efa68e6371450cca. 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/GBKQU1754809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x675c65165d9444b44b551c8d4336bf224fcb9049e572fa84abdb2d4b4d702c8f. 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/GBKQU1754810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa52d31d78bf99a3ceb365c83153b907c3b696753bab2ecda1bb6ab68a8205b33. 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/GBKQU1754811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa701af7485fb3151bf323ce1d5f2c18c889c7a0585dd31248b62b672dff9648. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T01:03:05Z), 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/GBKQU1754812.
Electric Kool A(C)Id Test - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa7b4e6bd1cb49c0256048b28c5ff7f9e1aa3bd284336578e2f235ec01afd1ee. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/GBKQU1754813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982555b1e5584377406af04b667bf86818bb3e1aed9dc5b1cea9a72e3453343f. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/UKACT1844737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc831ba7dfc59075c7fd0135b51d401ca0914dfc4983f0d6aebb36dbfa64df424. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T10:56:32Z), 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/UKACT1941098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb09eb1b1ced15c8d0cdc95a6919d3d933a0edb5db686848cccf95257e87a18. 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/UKACT1947092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6a62382a22028e60b9387a8e54c1d8ed382a1f0dc2f98f097a37114664ceb93. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/UKACT1947093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3b4a3e5ef9753e14a6acf4591356fb4f227c981bb8e264866c196a70f07c95c. 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/UKR6V1930345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7376cc72bc34f5dc15416853c2d91cbb4294f6ae51f951fce0b2ee764bbb72. 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/UKR6V2031145.
Futuristic Flashbacks Episode 1 (DJ Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc0d49fa7bde1e11de2c09155edd22c5a927edf527169a6046131189b808e7dc. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/UKR6V2080680.
Futuristic Flashbacks Episode 2 (DJ Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x404d3d3a3c105ebe59f5cc0855994f8b20888da736261d62388a0cd7a21a0062. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/UKR6V2180021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc7b58f63091e200929179e059e83103511780f31adab37ed6d09b7c52edab0. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/UKR6V2180252.
Futuristic Flashbacks Episode 3 (DJ Mix))
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd223686f014d36ed4e5a16b3f415be8736d64b3e18b600bc0eb05420d576547e. 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/UKR6V2322935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e5e316eee6e0fdf9ccae2e97e12d24319cb85e947b89c9511dda323d1cc774. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/AEA2W2403852.