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 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 0x7a7c47abec102627d347cee903a91b6151c839502cab6359cd87786d76c7741b. 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/75bca5df-dad1-45b1-93ad-3e6a94313c22.json and https://artists.proofprofile.net/proofs/artist/75bca5df-dad1-45b1-93ad-3e6a94313c22.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 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 0xd4004c69cab840bcbf9ca23cac6db3cbc458ed636d3c40a20931d9dae35c67f0. 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/IDA181302567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee39b3f4ade81348ebb2c8204db4193afaa8e98f861d89c7bf63b471f2f1833a. 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/IDA181302317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42ef321f18ad5f9206c42f22c8a5febd0293a3ced92223361223682ca467fc1. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/IDA181407509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb1183244ab5e5ce65106cf4efc8de2e1f8c6fb0617373b5ee240ce1c5f95a2. 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/IDA181302578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb63a439c3dcb196bfc586b11071aeea642309de9e696076ed06dd3a9594392. 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/IDA181101376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eb76ef073e0b981673c158172652e481b4ad6334ddb0523fdfb93db6d605ddb. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/IDA181100312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf579dafb3fcbe90c245fe9dc70e4c1b8a7e5446463e225667d2059943b1b2876. 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/IDA181108102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x358da2ff40d138084523634c74c57d2158a5a774612ba259f34668d238e6a279. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/IDA181105999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097745b473af0749f4eeb04c5a09f0a7ff847087970ace2844c4c469034c7121. 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/IDA181302313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc7bd0a97484e07c4693be01ac1cb14e6d410368d3beceb6d3884497bc826b51. 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/IDA181302314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e0988b4b7a4b10852c4d18f5dd4e44d5e05a1606d6a0059586eb62d99a483a. 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/IDA181302316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb987e7dcca8b32c34c1e8fd3faa62a3711d9e1165bc330296013b9f917ffa9. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/IDA181302318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f0c4082b2530f5d50236f464f79dd6043451d7277a1b2af2f3d2f31ecd86f51. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/IDA181302319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x622bfaa057baa95ebf8c1eab857461004380d84466d29a9652f5eb0b01cecf6f. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/IDA181302320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37c0638d0312f74edfcbbaed60e0d025178560bc9ea246408f121cd72b121086. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/IDA181302321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4c651233367da23247d9f88c974eccdbdd8981a27d2a5a583289a7a1300474. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/IDA181100493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe978aeef1ad8d0cc9a4bb50d219e30324dae402fbc7c1d98c3a7aeb9586068ce. 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/IDA181100595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05bc71e5590917381b2dfd1c7d118ecdb0038625add157a048bad09644dc0ec6. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/IDA181423999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f438cc533c37ee4d829ca0aaa8f8b7dc76269fe98eb28bdb95684418129c9d8. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/IDA181424002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x043d81cd60b48aa9b56fda27d2e1fb186cb38d104e2cd0824f2c3abf1f5aaaac. 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/IDA181302946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44af3259bd7c6340e917d8c580c189a581e2e4a0d13b448ee5483a4d5ffba479. 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/IDA181303079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9f7171025b8d66e0269eceab1cc200d5053f826d7d1615200a0539978474203. 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/IDA181302755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d803b61d8584efe9534d1ba84a9e498d174cbfeb022f729a4682dd94d2e246. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/IDA181407895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9f2d8659ba04840f3b32783f3fbe9b99133329d6d602892f6d21ebd75dbe2f. Chain 2 (Bitcoin): anchored in block 957633 (2026-07-12T00:19:47Z), 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/IDA181300645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x404c6ad87ada119debbdd39aa8cee34a601021c2834a7fabcd3e01b0c27f40cf. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/MYLR11430963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc0fc4964bc32ed13a8ba32cb7018899e6e2aea7b3c9e467f8fbc7be0431d3c1. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/MYLR11430966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd737cb0acc22e3bc83d1545c7432071e6d5ba0034fc71e63417032344cb51271. 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/MYLR11430967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x637c5912480309fcc19620776022ad9ba21f382271034d82028a1c57aaea081e. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/IDA181303384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9492ca0e67e38e09995aae9839f54e67c37b45c61fe8fa2128788d9e074489bc. 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/IDA181100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9f2d8659ba04840f3b32783f3fbe9b99133329d6d602892f6d21ebd75dbe2f. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/IDA181300645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa27ff0514aff058aa302c5ce9ba406e5a0e08532a4ef4524648ad50c2e4376de. 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/IDA181303465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x292299ccad29cf38186bd5aaef1d9c61426057be86ab649663c466183b9bbf91. 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/IDA181101121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfadf31fc02a67b309b990f3c5e9985bfa383cd0cc32b58a26abd79a3eae92f0. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/IDA181101266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8d40329243fc206b2da48312232cae84b399c183c48e8091fc35062d5f765f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDA181303475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d3627ebbc7a0b1cabccb7feb7628d1e9091164b15bb4ad05dafa6340408987. 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/IDA181100998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x043d81cd60b48aa9b56fda27d2e1fb186cb38d104e2cd0824f2c3abf1f5aaaac. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/IDA181302946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e94f371d8f8b8daa5936070b38bfa5c3992db3dd7f602082acaaac08c235eb. 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/IDA181101037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4c651233367da23247d9f88c974eccdbdd8981a27d2a5a583289a7a1300474. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/IDA181100493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44af3259bd7c6340e917d8c580c189a581e2e4a0d13b448ee5483a4d5ffba479. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/IDA181303079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be7ab19fc57c27114d43dc093f8eaf460c79c018d54521cc86499d98dee4859. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/IDA181302956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf4f3084fa1aa58d6eb1e13b5cea0666649bf6a7602f0039eacba639adf6d5d5. 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/IDA181303081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb63a439c3dcb196bfc586b11071aeea642309de9e696076ed06dd3a9594392. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/IDA181101376.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9422df30cd11c8fc5f9bbba1359b493a9fb367082e31f1554f8c9ad40f10e4da. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/FR59R2361809.