{"copyright_id":"0x24bf5d69c0ce77f775f1f3f53b4a88bb94d3f0fb08d69db3cfcff43116ebbc6c","name":"Sophie Woodhouse","registered_at":"2026-06-12T06:50:09Z","symbol":"NIM0219445","token_address":"0xf395defec4e3b67e3ba68fc04f6e3f3d0faa0204","type":"artist","uuid":"aae6ba0c-7c50-47c9-aa04-7322bcebd825"}
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 0x24bf5d69c0ce77f775f1f3f53b4a88bb94d3f0fb08d69db3cfcff43116ebbc6c. 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/aae6ba0c-7c50-47c9-aa04-7322bcebd825.json and https://artists.proofprofile.net/proofs/artist/aae6ba0c-7c50-47c9-aa04-7322bcebd825.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 0xaccfea387220cbb2253e499005523fbdc6a39a1adab5a9a9eb4558b120202ebd. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZES62330773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb33ae5ee72d3f9c9ea69168b644ece7dee33f33e00f00ae5b49a710b9f5a2e. Chain 2 (Bitcoin): anchored in block 957810 (2026-07-13T05:55:46Z), 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/QZES72157571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb1a534dd444f0af0e4be040ec0ae19697dfc6f540060b223e894b3b9b9b674. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZES82133819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc70166e8499e6cedfa2bafbdb5e418340faf2a138cecdb1ad1434ab823d96bc. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZTB92247319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200c324eb55abb60ce7ecd479fec854c5229708183f3509fe1dcedce7d7f5ed0. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/QZTB92247322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8fb277b7442f2457e4f2ee45a13205557ea9285091d061e5338cbd51f291957. 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/QZTB92247327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c47e18a580926750ab00b851a0688c4f2884d9b22e08975f2469560c92d272. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/QZHN92348467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7f647e2ab6e8bae0f256669ba9645c3956d20a266c13bcf3286fb387d1eb14. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZHN92348470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486cff2dd2bf4d568dd52b51f25e2dd2d1b6cd95d2615460b23e53dd2feeee07. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZNWT2306267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0ddab46532d2274da16a59bb8fdca6cb80350fef7b1d4763429d9ede81413d3. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZHN92416504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaed309960e6291b3a354456f27f947b52abdd66319fa948e7db04f41502638c. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZHN52404017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb80e1e3521f2662399b962ca1d169fdd84f8645e4201f8b38ad2f4a624609d3e. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:05:23Z), 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/QZMEM2496623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b449d43267b6193c4eadf7c8865299ea68a4dec4c9f7b5e0cfe5f3280259a0a. 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/QZMEM2496626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1596cf2a803cbe64a266b1a5c1a9e8a709a7fff720aa57958de6652da6c8b627. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-17T03:12:18Z), 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/QZMEQ2443300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcdb46b366b1317ac0a3f233e7659f644a3fdc593a744fa3f439abe1db30d4aa. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QZTB72451784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe091b47bebfa4f5f83730465fba7e48c98b52494c5c60de761dc228b4e29457a. Chain 2 (Bitcoin): anchored in block 957741 (2026-07-12T18:30:59Z), 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/QZTBF2444824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a9f241a888e884151977662f50c13e2404328ae8ff2faf2a74786666b22fa75. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/QZTBF2444819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf740218641af82ef3acd047dbafd3851050643638447f46f8d1cb46aa324140f. 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/QZTBF2444820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd34c54d92bb1d74cd09b24b2f1ae973a6f505bdbc7b22429d2a92229b19b44. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/QZTBF2444821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bfe37e90a3a0e7b746946212833967791f45fbf035fd4a25aba3f73bd00e694. 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/QZTBF2444822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d927d9c877969c770bf2a4ed2e80ea1b88e59fc6f943e7ec8681397d5d92016. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:20:46Z), 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/QZWFT2495633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe091b47bebfa4f5f83730465fba7e48c98b52494c5c60de761dc228b4e29457a. 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/QZTBF2444824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55d1110e59add63155157c9969a9298a1f6d2bb6e020678285e41b61023687ce. 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/QZWFT2495637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f3d6a20715a797a91f1b160f7f6327e4aa59f257c850be3b07cb135b6ea7ebe. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/QZHN42570573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81fb86abe4e5dcf027bec9f850c0edd6d699c66f444dcc97a69734ca14d3a1af. 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/QZHN42570574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc3c5afd07945dcad675ed6767622da7eafa62137211f7334c4b96df512a663. 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/QZHN42570575.