Capstan may refer to: Capstan (band), an American post-hardcore band Capstan (cigarette), a brand of British cigarette Capstan (nautical), a rotating machine used to control or apply force to another
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 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 0x850d50f1908362635c58140bd7327ae5f5acee0586559c31a0c9638c72553b45. Chain 2 (Bitcoin): anchored in block 953923 (2026-06-16T09:51:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d272c4e-ffaf-47b6-87a2-b480913d85ea.json and https://artists.proofprofile.net/proofs/artist/1d272c4e-ffaf-47b6-87a2-b480913d85ea.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 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 0x275965765eef948c7cd51f496b8b695e4dfbd954a0780b18a764d968fec3586e. 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/QZNWY2109146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518186db444ff2ea44e533ecd253d1fd5780aad1ab5964aa838f7f0378f2c8e7. 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/FRX452283312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a9c273c2aa61f89023350fde4d1ec2eccaf8eac23bf2b57b03656bce7d0b4e3. 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/FRX452283313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x627a53c6f40395b2f1f829af7ee9d781cd858a06faa36707135b2e5fc6665851. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/FRX452283314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaedcc49d9372e1e1cdc63554026d3318c66c023b0962f108123ca732d925aa7. 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/FRX452283315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55f6b1bba2e8115b29ec86285fcedddba3d70f44ce805a7488c361d0d22eba09. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FRX452283317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014dcfe8bf7ce48a9a44e1a2e303fe72e36bbfa7d52b617ec8908a85080534b3. 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/FRX452283318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa86fd56f04d2afc208079a7de3a6d304b01ad6c4481e07c97780998cd49c7be6. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FRX452283319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a4329f818a12952b3c17e66e6f7aa2091162d4aa4a29bb5cce56b67b9492dc3. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FRX452283320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a06716e9badf2d51599c73666af35f4852384dbc759848290d7d621c97306a. 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/FRX872327351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa08d5a9831ccb4da7dea62b701c78b488ecf69dcdd7f428f6088915df08a4ad2. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/FRX872327352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc685fe984145b4d68468cf1915bb45e8abd71e5c515cb7ed554b3f04585044d. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/FRX872327353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d62cca0069feb85b4819f7fd286d9794a492d99b5953eaeef79d5793ff24dc. 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/FRX202390464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa923ebc64b9e08334b33fe7b0051da6e112c0aba75cf48e3127ababdc045f4c1. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/FRX872327354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d27c58a5e6b09802a2534c6ecb7dbc184b2f5f3910a0c1e7c139c2a210cd66. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FRX872327355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356489c4095d2716a5ed5315a51bb0dbe78c14cb5211c8560bf992fdde737f2f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FRX872327356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc420ad817cd0482ae5e4298c4d273c1bab88e4839d2caaa32b66f75d6afa2de6. 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/FRX872327357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd90af4d11fc26d943495beebdf8196419e421539ce43d74b5541d0bf34e26cd. 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/FRX872327358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd13210f07c19db6e7bc475281ea9c6743a3be6eb64322654d278c9707a445f. 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/FRX762330588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ebb8fc05974b334183b4326be6b85a500a73a998298ff6dc405d2d188b1fcff. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FRX872327359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d34a661e4d27fb630ac871b1d1f02c09fec6f1d8167fea15361f1367f1ee7c7. 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/FRX872327360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1077b19bd21d088e04f5abb6f75ca83db1921f1b7060ddc1ef49da464b4d7f7a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR59R2415110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ba8033aeee467727172db2e689ebc22c732d6114e9b3238b33ee4218641cdbc. 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/FR59R2415111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34badc6af80f141cc9ea8e93a10c1c19b01df172cc0a11aa714bb063909f72c. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/FR59R2415112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb46917930249079ab0167ca491fa3b8fdc2729e99f5300303fceb8cb24fb769. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/FR59R2415113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5807cc19e6d812b644442c5a855ed89c34d2772e97b96acc2975069029d2dd16. 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/FR59R2415115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2fd6cd91ab0685ac8058dc919f44ca041f3741909b28670c8fc4e7c424247f. 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/FR59R2415116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd50840fef802038933d65a1a7b51d619c121b66f974e50c9f9a541b4548ddd38. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/FR59R2415117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05bc9966bfcecae92de5cbff0f145b93019a17d2dc0df2bbe4d31664adb6b833. 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/FR59R2415118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437c6ba8233551eb0a071b5eec3cef3f4dc9a05b2152189f6c36d16a2aeffd0f. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/FR59R2415119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c3ea4c90ccb8a735726c28275ab4a24ef631a6cc4bd45fca66d910ed67f59c. 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/FR59R2415121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f12d34e2aa0dbc3d2721452e0ea464c16515cfb8715db4ea3791e4dc65716e8. 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/FR59R2415122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd2a8477cd481ec1ae82b5350bbfd4102370abcab3c5046f9a4d26ce3e33f1b. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QM4DW1617545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd314a80fcd536d26b4fe238c42be227890f8c79d61561f122e774d898624d2a. 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/QM4DW1617546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a0fe386784e9c0cc78321e9ea9dc619fd6499b6e298779d0684048dcd37adb2. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/QM4DW1617547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ada30474e13ca6c3fc56db80727d612e5d15289685f8c6220ea3278eff6cfc6. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QM4DW1617549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21c4ccf548f28955d9d4dfd0f82a2247fa3517edd368f96bafc7108580fcbf9. 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/QM4DW1617555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db84961f40465f122b1f81f0927a96641f140cbd6469848f39c1b6ef374167f. 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/QZES72403768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a249177782f66f4dc71982c72a97b89d56de175efb7682981b42d340fa8433. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZES72403772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4d69e8b242b5d0ae555cbf2d6e4b94b586c8da3d6a9d5fd10db380dd6280a53. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEBL61078967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2fee34b285f125ed421137e23d59e71218016948affe392f9e3146255c559e. 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/DEBL61078969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7f44429b645a883c109516ee148596b1197ad02a3868dd2fd5763496073843c. 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/QZTAU2220658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e32b7d81388bdc38f92599fc6c63a16528ad06ee0acba71fab95a109ddad1a2. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZNWY2071282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0d95dfc0504664a53217d32627b0dca709f023cbbb7e0183504f34676f03e6. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FR6V80255487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc469f4e65fc7fa4e2c8532f492e6acd09d0fd90c253a1f0db6b3d29bedd37a71. 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/FR59R2325040.