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 0x33bb36a491b80a2fb0783febbe92e3c8ff5d39311df370294940b96e3ab26408. 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/3d2b6cb8-707e-4fcb-a937-a19e7756b2b4.json and https://artists.proofprofile.net/proofs/artist/3d2b6cb8-707e-4fcb-a937-a19e7756b2b4.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 0xa2efe8231ce83f093eff24f45640e30a7df4ada6ded6fa54bc4fc7d8532b8659. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZTB82487183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x961dd7bb06cc69155d1c0b0fdf4fb21922f1a25dffb9be71e4259b632fdc2a89. 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/QZTB92494863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfe307b3f0a8fcdd275f3c0a2d91e28024748bfba0eb8209f4845a4689e18a2. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/QZDA52521080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2946c2e6053884e20a989fc5f428ca7215046faa295dd70d0989da3123883ad. 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/QZDA82578850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c6b7370c5bbee595d61da2d74f1cdc834607073262427a68c61ced0469a20a. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/QZHN42529349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d685a3b9f731c150fb62608c20d2a8987b5d691629d022ee65cdcf5998253ee. 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/QZHN42529350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafbd3f50860f7a6078b1ea278209d6aceba8b8971787bf89667101540da84a9b. 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/QZHN42529355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a19925bae6d0e93d7fbefc36a093fddb7b53bfce1d4b995b391858483cbc062. 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/QZHN92563401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0da8a4b94df17f991309c8463d0978ac51eb85f199896798797095926648fafc. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZHN92563402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2bb1490878df979f692b8b17b1cbc6371e68cbe0dcacf83a5d557bcc1ce0a0. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/QZHN92563403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1a38c5380540951adbdd38cf1496424c76697e37d47b5db0c6bd460ad580f2. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/QZHN92563405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1932f0ea79b7c17b89a57390fc5d846746afd5978568cdbe454e707eece637a7. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:31:54Z), 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/QZHN92563406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90499a0ef6a9e72d1e1d0116328f9661e5c6bbe23c20b0c895228ef35c547efa. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:46:47Z), 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/QZHN92563409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x452cf544b9b6d2e1656688d0ef1c97571c505753ad7d9f55368b816198cc2a96. 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/QZK6P2526162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c112d3e9446789c784cd3fb7fc7391439fc3874dca32d15c05d8951ae3096f. 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/QZK6P2526163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc924d1677dd375e4e83be2533318c923aaa7082b0a5c2eb2fd313d68374374c2. 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/QZK6P2526164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef6ef1486166ed77c5038b92f2213fdeed2dc278313ff284405fc99ec67aad9. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/QZK6P2526165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f654b995e35cdd3a12fc8e9f2730de925d8e81d12ac6de81d8d217ceab75ab. 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/QZK6P2526166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x058df79df5e932e15ba1689f5b86206d42e044e0b728a4b31e7a9f611dffc7b2. 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/QZK6P2526169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7252784d8c79418bd498b48027126cca5f52fc545edd5e694c5f51d3f2a3111. 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/QZK6H2509228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4470f83dc2f2f7e1215ffd898186aa773c39eb9ad63d7dde9ad8e894f359e99f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZNWQ2526984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6faf2ece35869751e12b3d6f203733cd746ffab61126ceb43357f0a9e4fd59. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZNWQ2526985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe621671e2572cb93b887ab939b417033db0baa427db8b880c051d6edcce6ed0. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T22:07:23Z), 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/QZNWQ2526987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754bd5b20e45107c57a81a3ba4c614f4cbd73300055873e6817e4329fe1b7927. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/QZNWQ2526988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc84444e86fbb70f93859086d14f5717b46b8f66f09459b90e6ce2d49213875f. 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/QZTAW2557707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee82ab3c156b0a509eb12271a670969def072197ba44a60eccfb9b677115eaf. 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/QZTAW2557708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dae66325e6f6cda577621464c72aa0a7427148c588c70695812cfc0c813918e. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZTAW2557709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82432059219ccc7f138b3360a4abfd7e2c376063b30d0f5b6395c088e28653df. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZTAW2557710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6277dc4e654ac4b4935a38df3f7bb48df30e95953746fef722eb8f9620e690c0. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T04:58:01Z), 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/QZTAW2557712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2a975efb0cc195fe0fb7949201bf4628d75c6f57c0d36c359d58e45a0fe3b0. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZTAW2557713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa84c9580c7113f73224c696fcc58e381995b8b031d97b8a6567f95bcf849bb23. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T15:07:57Z), 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/QZTAW2557714.
Feldugok egy kolbászt a seggembe - Mulatós verzió
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda09ee42ce4b8bf23d4f2f971b3e28a0c6c27643d6fc2d73bf78abfc98fe570. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QZWFL2565323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd64bc0477553cf8fb87a8d6c05c2f7206e8841e53a0e3423e4c7ad30b6d37e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZWFL2565327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd51498dbea8705acd00d458f9b1164c2d2924f0b32391d5c4fbca7658d606c0. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QT3FE2565238.