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 0x544edd6d21fe8ab966e6aa3450ac24c829113aedb0d26e5617dcdf44af69c9d2. 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/a105aa67-fee5-4862-8d10-4dc14635422f.json and https://artists.proofprofile.net/proofs/artist/a105aa67-fee5-4862-8d10-4dc14635422f.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 0x30acae3b8a595a6726c1cfd6639fe5bce48adf668d3cd52726b2b3f27b6e1d32. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:00:13Z), 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/DEQ121750840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9b518a360363ff1ac37bcbc00a88b1a8c00844c735641acb33e88252846b88. 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/DEQ121750843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8202371d7f79fd74087a51fd0cbedbd8c99b8973fe281c77a44790b6acac7b6. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/DEQ121750848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36429800bdd2a565b4d8a8dea20bfc71556d301862eeed761911c95e0a172136. 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/DEQ121750851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3426477c691798bd9feb4658ecbc2e294333b5835bea8d308400b3e5f30380d1. Chain 2 (Bitcoin): anchored in block 958834 (2026-07-20T08:36:53Z), 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/DEQ121750841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7105f6b281ad29e0e4393eef1c1d54445b204ff288145d1a5211bc204774b7c6. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/DEQ121750842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9b518a360363ff1ac37bcbc00a88b1a8c00844c735641acb33e88252846b88. 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/DEQ121750843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba3715868c3e2b0ea00af598d7e4f89497b5d37162ec30e26717107d93e9e69. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:40:30Z), 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/DEQ121750844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4068560c4e71667370fa2c3b66e284899cd173e4c7becc7cb991d33675934d7. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:12:26Z), 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/DEQ121750845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc562f3cfc686816977d55ce5c2a053707c483a7e1e72a1df79c5985f9f73455. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:33:55Z), 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/DEQ121750846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9881a5f3d5eeaaccfa7d3bd3840efb6f9fb0120acaa005834849bcdc1d75eba1. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/DEQ121750847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8202371d7f79fd74087a51fd0cbedbd8c99b8973fe281c77a44790b6acac7b6. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/DEQ121750848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c622fbf5c4fe07ad175a14af4e85d7ebd09a8539fcf237d2b19871b9c88175. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T11:21:35Z), 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/DEQ121750849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3067161dd94a0c6bcff0971b63f369417634d063054cd25e7a377616050aa88. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/DEQ121750850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36429800bdd2a565b4d8a8dea20bfc71556d301862eeed761911c95e0a172136. 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/DEQ121750851.
i'm tired of feeling this way / lychee juice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe419b0c85ff2ef4f558640329f469d50ccbd170fb7904bf03f2848bad3f02ca2. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/DEQ121751472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1af825e4b0a5ec7ebc4102fc3bf12689162023e58b95691da29ca8886bd48d6. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/DEQ121854191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee7c1438cd81067dcef6d522eb4b3d51591b6c39f8d2f8cfd1a9d2c51af14c28. 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/DEQ121854193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e0a07102edcd65abf9bf3682fdd705dd4668fed24cc85e8bf7bd13f98b8d504. 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/DEQ121854194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba4b76fde12f4a773642183f57169be8235ba58b3b91a45d22b9da0b541bc4f. 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/DEQ121854195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96be75742cea754772c6d6c14f6429496e7a488e2736986b95af1d4711d1227c. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/DEQ121854196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff1348cf5329985db65a72e98b870288748f80eeb1adf0776adeb264f49f046. 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/DEQ121854197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe419b0c85ff2ef4f558640329f469d50ccbd170fb7904bf03f2848bad3f02ca2. 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/DEQ121751472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7f068ad8362c429fd3256279be9480dde52538654b7a6cef3efbd82267d2bcf. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/DEQ021902832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37848a09cf485135766eca92974ddd390fd24b286f7117847d787bdf0635ce5. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:38:06Z), 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/DEQ021902833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cde65f77dff20111a462054c2ed5b82ebc1b2d9ba62023a6afa29a48e026d6a. 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/DEQ021902835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8540bd007d711b1f9defca25dc798ad7577eb33482d825cfd0b58ccfad7a2d74. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/DEQ021902837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7acac6a3e579263662dff042bad35076bb29f23fd880ae602ea8815ddd913a45. 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/DEQ021902839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc256ca6c764aca2f9e53c2a2f1495c02cf381a737904a7d2096fc5c121372e0b. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/DEQ022007045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57ffc646fb6929c6efd2b98e2d010567cac6df701e7178f60ecc3522645b8fc. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:04:07Z), 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/DEQ022007046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb703d70c979abb1e3d686778681fe0d10a4ac11ac534d8e80d567fd5966adf64. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DEQ022110486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6621c6a6814cdaabb84f87cd1b5ab56dd8676043be531a617f8b1ce69774d1d5. 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/DEQ022110491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97384419c363fb2cf3f904cc54af5a9e9efb850a45b2deab04ada99201a83927. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/DEQ022111142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ce469482a57de943ba53e9445be5b2d9f6c919b7172fa9863cdbe23eca28a4. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T01:40:04Z), 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/DEQ022111143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd7e33d04e97ddb1f540de088447af1103ce7b64b6f0fa61bcfdc46d2e1aa60f. 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/DEQ022111240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5158243d967f3102df5d4759885f54b23898aecb90a9181dd0588ad6c639f60. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/DEQ022111239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa649bff2cad6cf133398dac60bd25bd9c9e0b0a16518572e296aec38104a8cee. 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/DEQ022290003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0acc22b39ea2768b535cebeb77f2ad47afa3642526d445bdd3f88d409b576f3c. 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/DEQ022260142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x676f06d6fa2fc10dde98abb352b1959e2dd2bdb7d481aea0d70783d71c3cd330. 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/DEQ022290326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9620fce0f23508289397b7cb82b273ee4ac2f9cc9e8a320772c4ead6c1178d. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:30:19Z), 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/DEQ022281561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x115b7f18bb1f3b24412b3fba5feb8e070ef870c39f5aea91186f07d7bbef1e11. 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/DEQ022282552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7efa7b918e864d5084395d68da3360061e82be3e88f7814f8941721b7d9b3395. 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/US23A1567641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fbfa3776283ec4d3b43653552c7516511c64e130fd46f7210fcb94d85287be9. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/US3DF2529669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1edccf16c11dab625c104fd2dbd4f571ad4972c3c40b7935952a5a468a15c925. Chain 2 (Bitcoin): anchored in block 957775 (2026-07-13T00:04:23Z), 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/US3DF2529671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ef500f44b6752c4eb6480c303f5813dbc50ba2ce899b69e90f3dea97b8f388. 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/US3DF2529562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376e68aaa45154ec835772e57465caaa851ab6bd3001d392f7bba22283b7860a. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/US3DF2529674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x913826ebf6a75996338ecf22f4797357e787f7c9bd4be19c2a80a516a29c6602. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/US3DF2529676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5472085ba3f88047839d1a231ff51d3cd0a4fcf9ab0323a743d1b469d867ee4. 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/US3DF2529677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6896a57781929aeab85170292a5ecf0b706d0c1e1a24b69940bb5c68fd007de4. 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/USA2P2118954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ed056e3ba43fb75a4b7188a1c2f228678d517c0ab6357ec024e129a286bf8b. 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/USA2P2118965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aea2ebd81844ed5392e85ca0d2244271439c9baba218d3aea2e03d8c3b11124. 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/QZPEW2128678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e8f456807f35d693ee9d514148e4637d13c098f40512e02021181f7702c787. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZPEW2111162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86b5d73adcc38a66d3efdb19f0dcf06d6e0ec422f0a5bf50bb779f047ca748e. 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/QZPEW2130775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6f54eca670c7ee251153cbcd71ea63f2e794d96d5849f32b914edf140094e8. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZPEW2130776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b81306e2ae1a6a698e632ade8409b59c40f2119bf575a205cd535cf3f6adf5. 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/QZPEW2130777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ddd12c47d322f508b31555fdd3c037411105fdc723b37b2f21d0fc8aa3286cd. 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/QZPEW2130778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e8f456807f35d693ee9d514148e4637d13c098f40512e02021181f7702c787. 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/QZPEW2111162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec10e2a191be81df14b6158b8dc0b6b9644572c70482b3b7fd28f5514bd29d9. 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/QZPEW2111166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a83a8d712af248a55edad6a10f106b6823af0b48b2c98878a2ac2d7fb5636e8. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:57:44Z), 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/QZPEW2130779.
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 0x85fbc0f7416871ceaea2b5940c9c7403d8c60fdf5331b9eaa87b3f9591cb2192. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/US3DF2230312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e263d41df224a5d59591041c1f20909cb7f17c50775b6e345118ad5c207163. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/QZARB1844724.