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 0x16bb613382c2aff0f1ac1f740b7f3761b29f4a423d2d8577b5792c86133bbec1. 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/f72f0d7e-c698-46a9-b080-b90a3cd22c3b.json and https://artists.proofprofile.net/proofs/artist/f72f0d7e-c698-46a9-b080-b90a3cd22c3b.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 0x5651a6a8a3c5524ebe6f606fbb75c8579d8a07c6d675f520dc1a7683d8a12c3c. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:45:19Z), 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/QZBRF1800757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d8d7c13546760e75be4d5d86228d651afde3b232a696dc65052a156226730e0. 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/QZARB1881172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x720a862bab2abff1c5a8533301094b8487a6f5aae415a4c681f4a3eb6d893e17. 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/QZARB1881176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc59c7c8d842d41359ae2c22216ca7e49bc46caf4c2dc00542aa7b13d70a24e8. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T02:18:17Z), 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/QZARB1881180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x955dafd4f37784c4ee799dfd52137e1edcd90a7e9b9f37410dd4084d453f8475. 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/QM2PV1807642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc77882045a723041d4c05ac565d7b57f60272f3aa90ec3b5496a04ed6689d9. 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/QM2PV1807643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f980c6b4bd2b08a9b262570f3683a1cc72feaf8bbb9d8491bd5db216440e531. 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/QM2PV1807645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99adb3bb5078bab367065f4aabcde4b81345e0e71573a023d203e9b3d095d735. 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/QM2PV1807647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66e2fb9ad2c9a5f118c2e17b8d36799b1fb9db3866aa857f73c67abcaef36e6. 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/QZFYX1916086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54042aa8ecb9a2708c02c8a56a42c3f5fa8681bbac445351ba316e04b30f4d07. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T18:52:21Z), 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/QZFYY1954445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f63d7d57ec30ae9757087e5bfa5606ec03907d34ac25c2b8c135561bbd8c65. 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/QZFZ72001893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cadf982eec12582a39f47841567aa64e8ccbaa2e6f2632d6f913fc634f23021. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/QZFZ72001894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83dac813bbbbb37909089437b03b1c306b1337fecf18ecd14c687be7da90d0c1. 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/QZFZ72001895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf633aeab139bc7299328d07ac9e04892bf7f0c4ab398b575eb918ecaf7b9c9be. 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/QZFZ72001896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28861a10ab153060bf7fc5859c28dfea621a9c70360ed6471e5a5c3575bb7458. 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/QZFZ72001897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78371d1503ce05f07cfbfae1c92163e75a2973d51b6fc4387447d36e7222434d. 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/QZFZ72025494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e4a8ef2e00e5ad02706889022124e57c3318bc2548554876fef88cead8370c. 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/QZHN92019200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ac2ec7f2bb53e4ee9cfbb54211ac32a83f370ac118708bdadaac27603e4bcd4. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZHN92066111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x818c36e23a309877baf1e6c074b6e5492108012ba7819acb6ea5b9a7ae619f4e. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/QZHNA2012884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a4a90685cc1e3f000e889a460d5e090f309e48b9e7e5bba166734c4fcab3cb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZHNA2048793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b8a6f2e9821f6c7ddbe6da817e5e6edebe16cf1f272512871ba664e937fc1e. 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/QZHNA2044437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f9fe8e986d4ccf4765c8694d587ab06de011e31a3d65868300ee8962769ef43. 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/QZHNA2065994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a50531c8b07a44ec39468a07fc83eb4d46f74d080f65167d26b925d1a55bd21. 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/QZHNB2031550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5ddc1859cf81f6096c4e9ff5f2b9fccad394eb382bd0360af40a3529dfef19. 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/QZHNB2088490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba77cac110a95cd7beb63664de97425b8cd02ff8e2a26b8e988aee6bd19fc3c. 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/QZHNC2023076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb5c9a970f8a65909998c272c995e5f90394457bbb061e94f336fa4534821fce. 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/QZHNC2060791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a356f61551988c5a51eb15b3abb69767b0852fe4eae4daaa9219d28a11a98fc. 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/QZHNC2061999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283e251accf02beb12009a76e114fa81e40181e6a3cd00a9d0e2457ac3087025. 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/QZHNC2078701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd357875ae584aedd02924d3bd893b9c214102a4ccb08c81659e6333101f054c8. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/QZK6Q2039783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4f8110d2f70c9b6cb53cd9e313311e3ca534558cfbeee446f2350d082c9b44. 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/QZK6K2018569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba776ba6d995cdf0264759d594d728a2896d4fdc6a9d975ccbec7ee6ce904dfe. 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/QZHN92010862.
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 0x72dca757643a5dbf422453b9d32a938123d9f41f8e02794aec6c327bfa107bfe. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/QZHN92022170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c5baf72d887533313b0d31638b6fff2f2c714e33198a029b925e425fcdac06b. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/QZHN92079178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc763883094b8003ac91d4a00f81549acbdb0fe46d6ee5b4cc6a56ab1ec1cb3c. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/QZHNA2011433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e655a469d1594ffdff04059ad3017c2f08ac669febfab85f912b8d67cc1c020. 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/QZHNA2011935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc14c40866fe9bad4e136c4496bcf513e6a9eac17be95b291a7728a837efb518a. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZHNA2086406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a8acd7f4cc13af9f44b0d225635a7f9d7a8a1b96cdb2ad3ad0ef8f43219ab52. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZHNB2016929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630fd4e1d49170f8c8d65d13c74e7ed87f82072c849fdc6439fccd734f539666. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZHNB2050080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b32423b44937b99fb1f6391c950d20612d4cce5e54d2695d0a6ea079ee2e97. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/QZHNB2069624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda3309af951f35b714285415d754ba65b0e427a446ccb00b55ca76ee81ef4a3. 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/QZHNB2089442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01a014e29158ca3c99215a58ceb95c9eb97db79b87799339fac01cb2b9a8650d. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/QZHNC2023711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96c5e95b488b295c27c61d3b632c1fe8ab34facb237ea043e29aff9ab517e0d0. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/QZHNC2023710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe657ede8bbdcaaaa5e1ad732bb6a24dccfb24dc4a6ffb2c8a933260637df7bdf. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZHNB2072410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119f67ab5262fbf8e9d6e8b9078209d1070bf8b8765203fe97571d9c9e421b20. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZK6Q2002254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0cdf5f31b82aa62757ced01b31d17e3828fcca616ed3ec6fe089c68759c7494. 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/QZHNC2060931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf80828f3e46c8450fff01675a8a28b206ae9f73e43bc6c5fc3a814f0aa5cc9b. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/QZK6Q2036795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c3e5b99142c7659b79e11f07591583e621e2736b7da684e8bc44b736bda07bf. 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/QZK6Q2190506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x489ce7079f5c0002f8039f0209d32947d58139f6adc9b5dfa98376f3c0c5a8c2. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T11:47:29Z), 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/QZPLS2126828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb64ecfdc6cf1a63d1331b8dedbc8981ddedffc821330d37fb1b64cd1a390bb1. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLS2128021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe1dcc7e65834e02780f70b1b3fcd00697275bf8fc127e31c91d88cff3aca6fd. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:59:52Z), 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/QZK6H2528556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27850824afad430beac54b7d8ca1c7049aaec0b5cf556398d3d158ce4f197af. 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/TCAEI1909212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7aa32593f92b84b7efcd2b74509a283b821d4ce334ba353ae11c20b6d8184bb. 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/QZFZ72072353.