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 0xc0a6e931c3d0b4e94e5fa8d6fc0bcab99ff21f0c8751bcc1416175db26bfa129. 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/ba3d2d98-19eb-4c65-af76-1ce9867355fc.json and https://artists.proofprofile.net/proofs/artist/ba3d2d98-19eb-4c65-af76-1ce9867355fc.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 0x03aebaea7670b6c3f5fe0fe79b638066f92ac52f01de9cc1ff503134fa846cfb. 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/USUS12300434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a609878579c64ba8477cd5e2a3c67a40543ec4380a2d8beb4458628a512813a. 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/DES232300150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff0011b1e4e9d7b891d969247c021bcc2ae0e1c6fb57647805c44043f417124f. 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/DES232300151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb7f99c22c094ae85eca7e14144fc390469e4e33b99fd83904edb3d3ec289e9. 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/NLZ542301795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0961ed2ca4f0b4d3ea7091a2d232d906e7cfa83bd1c2032541c6f780894c2bbe. 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/NLRD52319392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d43946d8c5c6439b8b6ca3054f326f4d84abc8210270819047c96cd74f9de2. 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/CAUM72200614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b420700213b71361832bd402792e601494741fcefbe5c103434c1e2a2d30b39. 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/USLD91743538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405ea9fcd74cffb1d06a5085eeebf17e9205665321f7807cb225da77f57c4111. 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/USUS12200475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb363c97084e2358b4d9512008ae3468576c5bb259e707f1401798aa31f38ad7. 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/USUS12200367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8611ace3d570ad10c55b6661ae166662edccf06c09e1078f013718bd5f2afbbf. 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/USUS12200200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaea8054045f3ef8feaca31314cfb088036476c1ac9ffae9b4690797c5c8d0b2. 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/USLD91737485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26d46a2912f9198e3331b0c81569449d5257a98264ba3ba499c13ae515fe9bf. 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/USUS12200085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a0e4dd8b69e33a056fadc7db5c23fa6b80a7a8b9f772dfdc747a02ea08525f. 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/NLUM72100883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0ad3beca661e885e30197435cfdfdec835c5d3891d39d120df0f3dc41fe6c6f. 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/USDM32134901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6e74c6a0f38e73910515c0e86143d8df316971df6e7cc498b4afe678987fbd. 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/USDM32134002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d082c0a68c78b937885d5f75b5017e61b7fbeebb7c71809d4c110a04a2d19dd. 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/GBKQU2128631.
Wish You Were Here (feat. Brandyn Burnette) [Remixes]
Wish You Were Here (feat. Brandyn Burnette) - Dave Summit & CastNowski Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c7728848d3a22528b0d21c10c721bfbcf90c01e7bbe99ddb2d8b669eace922. 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/CYA222100003.
Wish You Were Here (feat. Brandyn Burnette)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43ddbb167616038aaf1c687847add87e3fcf37ccfa012531be5011fde0d20654. 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/USDM32026601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c7df65cc92e4f5466badef340fdf13d25a80e395222b45cbd78868f7de17a2. 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/USDM32026603.
Love The Way You Move (feat. Sara Diamond)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38b25c2f116c787aa6d95620be2086ca5eac4efd83b18b7922c8ab28cfad6fc7. 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/USDM32026402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc272c86a51b03f40d8a699c88f0fbebe8c13607aff75bd16d5659d0b99c56e10. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T08:06:48Z), 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/CA5KR2061719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd40f4c86012df75c79b80924a02d75d71575e48e7deb5c29d34f80b2978ed4. 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/USDM32024901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7002eed50cd67bea783047a920dc7805d424b27b012fe34d57e28536cea649. 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/USDM32021302.
So Cold (feat. Lily Denning) [Milkwish Remix]
So Cold (feat. Lily Denning) - BRUER & Brite Lies Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc843d621df5a26a78286666efde5f1f2f3eedb63602189cc1626526aac23f6e7. 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/UK4ZF1900249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46f02f69cb1a2dae87003c2aea211fec75093ca9f271c58102d0b0e2ec2da982. 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/DEUM71906060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb4507bf1688ede45cf2c05a4366a4d21b754082fadd8ff5781adea7293914af. 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/GB2LD1900105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x339dfb8fb4e497177fcdb21348bf7fc4002978ee141c1f48d8ec995f104b0a15. 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/USUM72400105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2de791e1114b121a7e180114dc53d96293306315ffb350caa2992a68bdc5bfe3. 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/GBKQU2409232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba24131147b11b5d756acefdcd7559329ce5da865ba43a2af6dd3f030e77c541. 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/GBKQU1963655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82130995689d3341761476430dfe9e2a343c28d92528bfeefc19ff1d03d13164. 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/USLD91763388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097fef2a456cd4e6bd9ffc63583b7026f37d2ff47896d461d832c3cf681eeb3a. 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/NL8RL2430150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa360c8d5053b1c7b64a54c8e491160d34a4910d65c5661d0b06ca615644745bf. 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/USUS12400407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e8af5364d6e3feab9d609558c05e4960b716a8788c246a7cba068ab261e93f. 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/BXBK62400053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5eeebb2739dbe9d20a193c4aea8f5f309162b77ff995b214de990aee136b43. 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/GBKQU2426688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ac9ec21926132bfdcc369250d1676c756ca60a86281022e923b441d6d0433f. 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/GBLV61922549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf075000199c29d5fe52e19c70bd1dab5ede542cec759d74fd470e9dd5b021d5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T18:04:17Z), 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/GBLV61922543.
So Cold (Feat. Lily Denning) [Milkwish Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a954ed73962720ec0b5ec5479830a50067ab693b01701a4e0e54d8b69148116. 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/UK4ZF1900021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4844e9aa79fbf532dcb9f23873497d45db985fca920edd6a867eb235b9bba873. 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/NLF712006260.