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 0x0c207829dc192485573e6da567d5e18e555af7bf575bc19868addfd5ef96ae13. 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/873f9f2c-de3c-4ebe-a7d6-1c2dbe7d5a1b.json and https://artists.proofprofile.net/proofs/artist/873f9f2c-de3c-4ebe-a7d6-1c2dbe7d5a1b.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 0x1005c9777926a7159624082190400e590272b384ecd16a0d0bcf7d711e148ab4. 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/QZDA52253424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7ebc68f1b603d4a14ccd5cf788a440b5b1663995dce50438e091f6bade3cf9. 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/QZDA62206083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc816e3440e25a18251d9106243705abc06d8ef66e8d752b6733568f171de5cd6. Chain 2 (Bitcoin): anchored in block 957569 (2026-07-11T12:44:25Z), 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/QZNWZ2167538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb29efe16628b323945f47f5312e65102e0dafada446cb635a71e33c52b7a13. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:42:52Z), 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/QZNWZ2170646.
Skira The Watcher /// She Who Killed God
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5656ab960ba1df10db9061c8c09f6b037b66f430cdae13b48dff76d0875be5. 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/QZHN32212431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd949bab5026a87e9dfff999cb36fe32c811c44b21f190a7dfc8a11b7b1da0ca6. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZTAU2245878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1398e53ca04d3dbc0e3b1d24391bed6044e1c3bc863c1a1b3110dfb4e5cbeae. 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/QZFYZ2368218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4746be6edf921c2f0e929201b7e228290683a36355f6b501c189aa8638a78ed1. 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/QZDA42305129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc897611c826c505eb6f083b5f58aaf506ed1e1eb6a5fac2c1f405263ed21ba8. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZHNB2363524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a461a03eac1d6c6b2349e0078940d93da3f31e2da437998ee4cb52eaa066545. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZTAW2389512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a92af53c6cc3e04c13383c6a947d36dda6d0be7590f73f9af750ff5948a27ba. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZTB92343453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1fef856b4869d89cc0d340e7aa09102f327f553fca6c0b80a4bd36e7aaf63d. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:42:28Z), 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/QZTB92343454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe40e8a37acd91417a925f43fc2f2c0c1aa95bc48e7f44861b464f5366f813b4e. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T22:09:45Z), 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/QZTB92343456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164e48eb51de5d618b490a93ae228024491b919b5994b820372d6c1438a5b377. 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/QZDA52485977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0965865ab5a3247abe6c8482376f9a6cbafee586281de1225975fa9f0be649eb. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZK6N2421592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7509bb5ebe9ee1e32706187299878dbd8d135fa853123eaf2c593b7d867c232. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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/QZPLR2413337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45beb8fa393abf1bc31ea369043dc1b35aacc6bd79c1a0316941877e08b28827. 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/QZTB82499276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a67bed531cc1084d88b5b65bf0e2a6d7c7c92a81e299d15f485092f664c6611. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/QZWFK2408014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40acfdd7f62e7d779e92955bc2c5c7fb16706e334e102018357ab8678eaad51d. 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/QZWFT2460997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad6f50402aacbc4a4af8d86c396aa08298b4c16fdc3c6842dc38f1344598617. 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/QZZ7U2459838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe624152f9ae0fac6bcab46250a54da75685f753cb515af9a0eedda5991bb1365. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZFZ72514544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf914552f1b827a4861c255a2c8cee16e7580eed4a635f95e15776837d89f078. 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/QZFZ72514545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa417d24dddf782436a4945388af7a7adb58fd1d406d2834d076efd410216b731. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHN82511965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877aa760264af13139e15c345e8a6be828eb7fbfa9ead9149c8b60a433bbd9d2. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QZNWQ2562650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ceca71e586c601d881e1df3646ee4bf0d443d1478d984240b8b72d7a6ebf69. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZNWS2552578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe89712e6d49624a278536c640d2c35c4c9597c0bc2fc01a51ff7ed24fbcb8bf1. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZRP42510547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba514ac48f3bddc1dd65e8a4357661168a37b74f9f20e123c0cebad513c28c5e. 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/QZWFK2574713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12e4a94d9dd1ff233f3037377e518ca29496308f95be968387648ef6bbdd6b25. 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/QT3F92556460.