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 0x8fa97e7ba3b8a490c9f13aaee123314d50092bb34f05217526c5ee2681ac8144. 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/35f7631e-1952-4cb7-827a-d06acd033a46.json and https://artists.proofprofile.net/proofs/artist/35f7631e-1952-4cb7-827a-d06acd033a46.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 0x36ebd619def36628732957425c27c8b79be42e689c1215a32e6e9b48b3d73681. 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/QZS7J2265723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72eee37d9df50859011313ca80f4391907c7291a890cffcc8b3525716d0835b. 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/QZFZ22169926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e734d5f804b58b25e68a990b0c5b16b583fe42665ec92c08d1e4e1c839b760d. 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/QZQAY2240138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5777b2d48b0fc65a0964c7b6f6a4ad35ec01c5eea06dbdfffc0d16932e960144. 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/QZS7J2238820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf960fca8880afb2ce0a07e1b424801299add82265b2ad5816ad7eddae940e187. 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/QZS7J2252262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x050fc47526ba0c3593c54888abed5625e0bd0f8f8907233c32af1057e76d443f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZS7J2243463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e699eebad00f634f70dcf3edf29d4f3799dc01ac1678a1ece2ffa4f1ee0baf1. 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/QZS7J2257291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893dbf079aa211347d5c3ebcbf25d9a387a1b78c6306ffcf36fe55e0c128a209. 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/QZS7J2277178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5c04ec93f821236d23598577cc5efd845bbc0812064219d7ae4087d5f0fbb0. 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/QZS7J2286249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03881a7520b57ac3bffb9bd9c05561b2c3ab06d13abfc995059b2e74e3ab1ed1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTLA2313210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x683a8082cb48107353510feab8992a847f5a9ebaece9c9ba93da46a482f3ea0a. 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/QZSYP2391831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f52c70023c299e184e11aee6e27af32a920a05f373168c273014952d5069184. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTLA2338304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde696f3ac2e90bf34cdbff28dea34f34efbefd094c969fdd0cb33713a2ef787f. 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/QZTLA2323363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b80e59d431b380f784ee46c0e88ecab89cf266615d95ec0e56869f4981c30fc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTLA2337947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03615836e27adc6717889843e0ebe460be7d9a9547c9c40947637ecfbd45443a. 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/QZSYP2269320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ecf278c86127670f2ac9cb5de8947669d0c8b9d15389c1f2393d0b8b080b874. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTLA2354940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a346fdd2573125d746f59f57d0c6e4e3d4b341bd56b4350e129aecf4c3f1b1. 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/QZS7J2295318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aeab79a2e333f1e9dcf945a96f94a0a63a2522f4c3550fc0684f1ef686df7c8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTLA2318264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afcd0d81ccfad6918cb83b5c61d899881050ed89281eae148d26faf80ed2c24. 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/QZTLA2344358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93cf80765e2da6cdf0c6393df970198ce3b239593ab7a783296a8a2b24d10c9c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZTLA2361757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c8daf779de9f6191dd62170e9cca386ea56e63c3e5af954f1c50689e1a41a1. 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/QZTLA2365065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x685f2927a18d72db42af33aa6592f35faf7e31c7964656676a6d36fd3598dfae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZTLA2383329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3109acafc94496594f979711d066c237f2a45ed6966aee60fe0d046c63e4ec36. 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/QZTBD2496671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc981bd44c832f8377d9eaec962743c3e0a982591a1ef453525b1c8ee0e678b8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZK6F2490381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a28e1ed21f15d049fb7a232fb822e96d33ea9bc8ba9fa15b15fa092b2775d64. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZTLA2484833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d5aee4263915c999c1f10b64b4493ccff695ea91756954a0c6f45daac293ec. 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/QZS7J2420744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ebaefbd1585644572e56e7442dd9bcfb0a8997383e4a4e4ba708b69495ea03. 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/QZTLA2441128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d6f8b3fc0ae5cdd0c132add442ac3dfedae765bed939070e1d36ffdf83174c5. 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/QZSYP2373686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc1c6d29838c26659cdb872de9b8017a53efa0f117a19ebf1998bcb85eba9b1. 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/QZQAY2373440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a8aa118546e54e2a86c827f0a010d1112030467738cd26ee61526562ee924e. 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/QZQAY2366353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a346fdd2573125d746f59f57d0c6e4e3d4b341bd56b4350e129aecf4c3f1b1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZS7J2295318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e699eebad00f634f70dcf3edf29d4f3799dc01ac1678a1ece2ffa4f1ee0baf1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZS7J2257291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e734d5f804b58b25e68a990b0c5b16b583fe42665ec92c08d1e4e1c839b760d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZQAY2240138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c96603f8be192988ae9f7bd7eb17d0a9552b8c97a11dd531398e383fa1433d7. 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/QZQAY2209600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8283642d88ba12833e06b26cbd34722a00fa90132e182562b947cca9b0853703. 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/QZNWV2166836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0decf18257ef61eb03546d06c0959e9ba57fd300b25f02fc8bd52a06ebfdd0d3. 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/QZMER2124266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3457261d03f9e0c5bb45082706ee0c6caf57f2aff7e28f0b9c4d7b536461a6a5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZHNC2164783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb91e65c5614f29d8fc1aa1aaf7c27c16319a1a8538e5b924f328727ad405566c. 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/QZHNA2192213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcebb6d048fe3d5d641462dd3de7e695bb87d2796c843fdd23a56304b705d07c5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZES82133243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6336827ca58bd23bb2bdbad9c8025bb5676e53997f6455492149ed2417745e8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZK6L2041288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fbc656f2f63ac2f376b3318ae5935bfa6c1594d2a6bfaa11c80df469375d33f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZHNA2097710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116f2786e71e14384f5e1089af4030ee1ae590f19b79cbfce1322f3eb90b4aaa. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZHN72085362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ac51bee7f4c82118c4fb5e34f12352da875c5c74b7c97e07feb8ccf9bfb06d. 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/QZHN62166985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d78e4c2984c665386025ef4fc366c036736e7306a7422832d1d31ed2c4377ac. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZNWQ2074346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb41b3640168a526e7cc3c6983f79fca91978224f4fdb8b7e3e2744e35a1165d. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QZNWQ2074348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39bf0172deaaef5490e55c0ddf2ad0ca26a97e838da2e2716d17efa6ca7e129a. 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/QZNWQ2074349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5deea28212e675586cfd500002a47ee5af0f4cd7db208c5db5398aec5b5eec00. 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/QZDA62522453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91cad2efc7276d84b27b19ea8b2fae5fbde93772e9f5fd59b8ab7dce08bf8606. 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/QZWFQ2457358.