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 0x4193f82fa7fe9029ccacfe85fc37323b6f06cea1766dd1edcf0cd6d252f5520c. 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/b6195927-64ab-4fad-9da9-602891dc39d9.json and https://artists.proofprofile.net/proofs/artist/b6195927-64ab-4fad-9da9-602891dc39d9.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 0x74c2bde9a84682dec83fe352499ada1155f8cc69899429a789ace16dd1de8235. 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/FR6V81291102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dcbf3167d6e2a6b0068d2fcc46a4b4593270091c8ba20b6085407202d7003a8. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/FR6V81291103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96114ac1f48fe0e4817503d51533a31896b594864c378145fb336f45a06a0c24. 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/IT8TZ9847206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49bc9146c6987f3159b0f5e837fb804b70a0bf0fb9d903bfaf77d961422edc3f. 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/FR6V81210554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458d67221b117e9378334b03fbf7ded55177ad05bbb69a87790ffba4302008ae. 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/FR6V81210555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09e6eed4064eda4aa063f27740ccb69e87064f5b6716c3a328f20743ddb26d0. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:21:21Z), 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/FR6V81210558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc441904e955c9c21981a54d7ebdf21d3e15413cd43426a85f0610890a28d74f. 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/FR6V81210561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe0d9caede95dbd0ace654d97b2e47eedb7c662ee4b61ab375704e2524139389. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:31:39Z), 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/FR6V81210562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5307494df4646720957f28c1940d8d669cff402485bc52637b726b68b9f8ef2. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/ITA619400725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf53f069cabec54ab5b932ccf77c8391d1612df9e4a25e0cd82549275176b117. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:38:25Z), 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/ITA619400726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf8d6c773e07e5d7ded8d7ce47baf09f675e471e2836bf75b28172e89133b5f. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ITA619400733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a86ac623e2ee6c8bba22b4232afa7fcf035b77f2881b3ba96d400075df4ccb. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ITA619400734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d67a8cd82c9921db42c5f47e4e40016712f75ea43f5c427a497e4663499fbb. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:22:47Z), 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/ITA619400737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa81364332dd865e637384969b898f5ba6d125b5a0a0fe91e45c9bde3d145c9. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/FR6V81279715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d36b05608856d6926fee61c82565c6b3b36ca747b6210ab83bece429267278a. 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/FR6V81210316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b8246a7196b95cbeef882ba419d48c662fde6bb0d788b2812d452145f010f3. 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/FR6V81210317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e91a17d60a6f2beb06f25b9441ad38aead31da7ce8fc2c31054d2d21b18ac4. 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/FR6V81210318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2314aaa817a5136e71625b4946f2df7451f7b2373f214542d33c6308d9f132. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:50:51Z), 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/FR6V81212580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x914df3d08581972d60d19ba854cee24d2eacdf06410055bb7800b385575ff9d4. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T15:41:34Z), 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/FR6V81212585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46fed379f12edc2dc7c120b84514e5964e558abaca88d9cefe885527022d8c2d. 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/FR6V82124346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76b369314b0b870f9e1ea072701dcdba8eadbfff12a3ed048b941228424e984a. 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/FR6V82124349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9f2a60560d7d2f3cd7b2ee5b14b536e6dca0f9eb4e10966a593484bf6befd1. 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/IT8TZ1576202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e7d40ac5fbfdf546a4d7361ab7173422d517ff1bedaad594824c85de4d166bc. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/IT8TZ1576203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50676606641c88febd047f2bd8ea9d2dfbdb447161f07e085a6bfbe74bcb7200. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T19:01:51Z), 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/IT8TZ1576205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d88e22a065c818a4d8d9e49e84e8fa29e3f6e622bebdb5eb717c83e95e15e39. Chain 2 (Bitcoin): anchored in block 959003 (2026-07-21T14:38:29Z), 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/IT8TZ1576211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05e37bdb636bc9c9ae1982d4d60bf9d0b57c6f9d6ceca36d9641f007818e860. 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/IT8TZ0869801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8812e4cf080f20a5dc2e542324f55d3c66114ea7621349b5547754baaa763235. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/IT8TZ0869802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a46a882ca953af8283092dd999c5b4677c7070d919d01ecd3502ead9616ca79. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/IT8TZ0869803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50dd3c9e1348fe94f596755c9be8c65b5e560d715752753bf3a14946fc6dabb1. 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/IT8TZ0869805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a8da1d995f7c7ab729cce70857e253ff6e7f1fb54a6cc4e5082f981b2328244. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T23:30:17Z), 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/IT8TZ9641501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217885146db310f0307a7887edcef016d3e2c71e4f5c92c2c822d0d4e1bd2389. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/IT8TZ9641502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b646e009e3ac20dc3f4f12354c2e66afa299a35bc16ee30f19b0292e71766a1. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/IT8TZ9641503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461363ccbd14b4d2b69aa312d4230163120aab26e32eedeede2dfdfe9108a11d. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/IT8TZ9641506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1572dde0423e21a3b28df73030b2ba142990b78271446cd5759de923353247c9. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/IT8TZ9641510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829adb65fcaa7000894212f76e4b6cd1c0c43804e84fce313321e84efc3b3de9. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T14:18:15Z), 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/IT8TZ9952707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca08af9f9cc32171f88f8560895e1d1f41bbeb6c36350535398c44e58b0993a1. 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/FR59R1814732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ba85efcda523caa712d6bb94bcddc6406b335c34f8ae6a50e75f5bdc0fdfdf. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/FR59R1814737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4697992f88885bf554a6f0f0c11e50cd26ab227826ebdfe13f458c93821867d. 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/ITH471911201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88cbbb35661404d753877dcef1d63466ab79b61cd997f450ba365f0748e84081. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITH471911203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45681a2ebca7d29a1bfb376f4832d6084f1f5d8055301452f2e4d9db4743727. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ITH471911204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5916fc1c737e0374178e238751f1fa732f42ef1db2c305a442e4b5d3d64a721d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITH471911206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8711a46f815eb5c067be4539a9a55ca9e910dff55438a811c3d433d7356533. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITH471911207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe61d171b8bece531bb639ac5ab7e9bb36274f4141b90cef83b24f365e09fb46b. 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/ITH471911208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4baf19dba28b24d7fc48a112e2a382643897cff9162935bb53ad61ed918125. 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/ITH471911210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5281d2c8b7bb2162aa92070e04c56f567448ba4510d9c840a9f99cfb8c81cb0. 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/ITH471911212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b30ad1f7c632cc990387cc263d06c4dccaddae952b10947c5db0e47493e28a4. 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/ITH471911301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc630d48e291ef351cb3c0fcfae524c4c0675cb99c9aa0c25883237ba286792cc. 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/ITH471911303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9603c9b3502d7df39d3bb4302f919ea562ec502fa78369fa2bdf3289de625a22. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITH471911304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21242880023082a33656816958f7d958e4a4805dcb2ac7b8aa086d694dfd6213. 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/ITH471911305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6613ec7eade688401a7a421f8b09c90c88f5ac554caa80c0510ce5b19f2b943. 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/ITH471911306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cb51b70fbab74edaa84dea102d0e5690078d30e4ef4b3ba7ac6418b80891f54. 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/ITH471911310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324770e5cfe893fd28ca00492ca0894673f7107f946113fa376693b6a828d350. 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/ITH471911202.
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 0xad85e8e9b5cf2c54123489f897acc9fc3cda61f7d45b3207b253753222ed2535. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/ITH471911205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5511376f36342e8c0c91c21e5dbfb37282d809fd2959ac0995fd195f08a14b7. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/ITH471911209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235dd63e8c4bef5592cea120ce1fa07b70df9a8654413cb0530ab9e2772e167f. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/ITH471911211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64427e13e849f8fc5db7c359bd50607a0cd383f4b8de67347869bbe2044d861. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/ITH471911302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0583afdf28f2fe93d7fc9d1ecf4c014fda32d41f8f11dfe1768098b284fbbf09. 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/ITH471911307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ce50bfc9e8358b4e78b0686b7072d13273116fcb44758880c5401981d3a364. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/ITH471911308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa906d61c70391098f9407ee101a1f895eb136e7cbcaa84c62a5dc3b22ab03bcb. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/ITH471911309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x912ac6cad115eebbaf3d63db1b29d666babac938de4e1cf1c0260c66afda186f. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/IT8TZ2032901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42ac9ba4583e0e4986c550e4573df13af979eb19206c50401cc265725797424. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/ITH472203501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62cbe731843c6afaa2da897774b3fa79447cee77e45438130911d01ab45626ee. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/ITH472203503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35c1d5b3f12dde624390048338900c8f6fcf57322836226d530848932442d7f7. 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/TCAHL2309923.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06abc0727e197422bd6a881f441b9d2de232a6fa998f23c454085c1f7b0ed29a. 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/FR6V82540164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdfaee854cf2e7cca0ed88dd8733e888b231d0f89c8df8d8d83c732dc414a8c3. 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/FR6V82456134.