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 0x379a06a7ea1942235d5ae0c9bed17df395f7291ffe3e1a663491b4d0c2ad3f5c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e7b878d5-838e-449a-80f9-8fe9ed20db5b.json and https://artists.proofprofile.net/proofs/artist/e7b878d5-838e-449a-80f9-8fe9ed20db5b.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 0xadc7417aff6b6d6be9d356f0a43facab0deb0cae13737326c3602b879fd5abe9. 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/DEYT72300220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aace5801f810c5b8899b7fdf56f9480e82e5c1493fc2c55e4d43ec62b18a1fb. 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/DEYT72300183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e054b7fb9577e45e0af6a5309d3df3ec62530e3cc5e4f3899dcbd1a05884201. 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/DEYT72300179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4311afc5a49d3a7a3984b3681368fecdc2f725736152bb3388e58c7375895b30. 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/DEYT72300168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13718cf88cc7d8608cb82be81f2b08e65394d99fd25db31ccfa0394b0b940cc0. 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/DEYT72300164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af1e1212c29e9ce2cc846556bb0036e244429f8d49a43669405968a4dabb799. 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/DEYT72300127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b88cdae463afeed6bf8938d43a366c7a7e4608ce5f36b5fcd83cd13dc82c951. 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/DEYT72200603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf126cb86ad7709e5bb43a7e30721f56c9a6e6d033ef92b9e4f8c69bfaec7663c. 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/DEYT72100595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9793eb470d91dfdcf4a01bb35c9dc6fb99cfc8ac8c6a80f2886c8c733b202736. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/DEYT72100510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11524f9d848a1dc7706227ad3803c908e0da3358f1a44926073eefdb32810de2. 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/DEYT72200397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f2e3ce7f45739236be00457dc0e5943e33d5a16ef468d8900a0dee588f4d58. 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/DEYT72200372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19fc4912df010d35b46781cd742f0a3a8599b1d98a5c77038e2c1ebe2a515b6f. 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/DEYT72300254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba000e8d0e76865eb68e678eee6964360030731e9a7128865f13512cb6305d18. 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/DEYT72300237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338e73c7953d11e117d4e112c36d548f65f9123efffe3aaf4dd26683f528589f. 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/DEYT72300235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbf02799966e3da529efeedf3664a12477294c5317d6358111ca326fef054b8. 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/DEYT72300228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a56aa9d1701244fd1108ed979adb2ae3b2dbe24a1f4e2a6c90d24469c13a53. 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/DEYT72300225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45874a1dd5ac77c0277e26db80e4e9648912b4f6bb45c7469a4e622595496a13. 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/DEYT72300214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5124e7e91792721ee21b9b2825fa01c327eca1c6779a3ba3092c5fe0186096ff. 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/DEYT72300193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41c1d047ffd45405a81f71eb14dbd5fcd854600dea9c88d150f192501094389b. 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/DEYT72300192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39129a8f0dee1444aabbcead83af7afd5145f33ebdcec4aa2028c506cb5be632. 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/DEYT72300186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf72805c0692dc567cdbbc0d553019efb27f8b4f7db43667a3153f82c4dee89a4. 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/DEYT72300173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa30c4186c25f6275eae03065cbc12d634051da370b313d627c92ab923b482d39. 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/DEYT72300150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d782b43cad45c1d5bd07395b6d3ede7c7ca172f4084ab440bc97f2f3172eb1b. 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/DEYT72300147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa99de24040b998bcaf1c6e3ffcab34f28a8c157bd929259b8c115ff15a8a9b. 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/DEYT72300143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf27f3c0061759fbca9dea30b15ab7ca2705958cdfc4b711fc44b731e6552c531. 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/DEYT72300051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151bc46facdc7f2de295815c7def689a47fc899141ea2cbc38b95bcc1836a0b0. 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/DEYT72300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b819dd3dc641f32e36553c6b723e76dd89351dce1d91e835b33be54b79f1313. 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/DEYT72300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30037740eca5cba8acac43ca3f5df3b4bac841741cc1baa969a439998ec56239. 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/DEYT72200461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5bd34d808a8870d93ee61c0bab1ecab16e0c0f21377dea75f515ea116dbca94. 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/DEYT72200426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281a5998174663e14111422f7f00145cb908b7acac3f8bebedc6d3b2f4abfa36. 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/DEYT72200410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52dfe1eb45e6133dde109e6bb05b3be016fc5576258c08acd1be6009ce256692. 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/DEYT72200401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9621f9c45d77e52d1da2e102251639c9ff850b9926afb00465eb8aaf1558e1c. 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/DEYT72200354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fca5d8447afd78aa066ebe45fa105f38be8f9b575815842233ddd247eb6995e. 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/DEYT72200330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6181b0c1b503f1d83003aac280a11b6e516a53d229bc84c0dd8df0c14eee82. 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/DEYT72200325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd17ed45958cabf580f73b5777c7484c8311767cb1e366f621dae8067b35eea6. 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/DEYT72200315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf777015c76301236c2a3f92b9d77662fbb705a8f9348afd64861cd9c3db528eb. 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/DEYT72200299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe00a99387e5292d18ea5e5df96d7ef96e71a65e8607a4262fc6f56aeb9e27aa. 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/DEYT72200273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989e73a8e0236289b0811619feb8be5ab72080edf130237230f98fe1d00c9e82. 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/DEYT72200081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72049d8436416c1ba2a019040f9ca99568d7ec0e7cc90de89dc151d3947789b0. 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/DEYT72200061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79eae422b4f0c1ed6f55d6f9846c4c39de608ca25f76ba45b00e0a5bb652f05a. 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/DEYT72100686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08303855f53060666b338b2ce066f7ee847807ac682a2803e6338832d7ac320f. 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/DEYT72400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce54382d9442d40141527c2754e3d5ba6d654ea2dd287bd5324891f7c34c3e63. 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/DEYT72400021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06b75d84eb3d643de1037f05e4e50ca524f325d5b4d5bb17fe0f5ddae26a62b. 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/DEYT72400179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867a0186d9602ce2fe7d641cc26e06d34bbd9e238ddf76b39d008c0f828cfb07. 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/DEYT72400079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dba5af2bbef929cc98828a51bc701b288a47d1dfd92e4e37a72723332cd54ab. 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/DEYT72400071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12660e8a8a47a23ac2e7f2ba510a229110ea322acb6617209af5fe7949f9a395. 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/DEYT72500131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dffb1c7a6ffd970bd06327e50735538053969414184e23bf2d9b6a271399de6. 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/DEYT72500172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf31a6670ea13ca54164a7166fbd7b746f3e67eed6c6f1fe1e3a5dc1240c94909. 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/DEYT72500136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f914216b30339dbe47930b0cd84350ddd92335371e498c84e81d7ef47761ba. 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/DEYT72500130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9d6aaa2b671560fb61d02641c0a38a17cdcc4496b6d34aa804a04a01b9c4ff. 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/DEYT72500111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c54123b8fac222208323afa3e53638adb9b7a2bd81e41e010931d4443bfdcf. 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/DEYT72500112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d1fcee4829aafac24dd25794834ae3d755df2aec3dcfec34f904ede5ef9021. 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/DEYT72500133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd250d705c6d12384b0890b88a513f28a3937ea63c5e82e2bc688bcf002290718. 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/DEYT72500015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad0e122bfa4b652a09ac4b89dfe29f21e6f7fd804c9fb3e1b75c1a119732898a. 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/DEYT72500003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f4755108b9582de9448af377d6ea53d49d094c4090c23a7e516ac5b49ad2a1. 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/DEYT72400226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c86d78f2306ad8b8d3f1c6944c1bbc6413e01b40ba9bbe5454d8526522b066b. 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/DEYT72400224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702b06cc797d94ef1d0cf0d7056c5ff7e43d916975d0610e90e4d4af3b36302a. 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/DEYT72400218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0488b8d766863a045438494c8e96be7444db514a02414c7fe5570de309f9823. 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/DEYT72400191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c20ce58f712d7e6011369bb24fab6e591a4ab00bbc276382b8903b70dbf76a8. 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/DEYT72400188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ccc050f1bd6a8e997ff9c595ef735d83e79574ea159e6b91e89e185b7c046e8. 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/DEYT72400173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540b8356f76b0d1656456d43bf36073bb585bbce6f0997c3c1e56849b7ef7a38. 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/DEYT72400162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b7e955fafb2a186a038483623ffab06bc9c18aee35141b6786b0c909d268666. 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/DEYT72400140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb88a76b048552183877e53513cfb637c323f886516a2f3ce5bdceb534f563d5. 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/DEYT72400152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe170118f13b1e59972895c02ebb4c0cef823f353fffae5d2efd08bfe654e8dd9. 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/DEYT72400153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x608cbda97c3669c0e261ce937da6363fc305436ae2779402d8cd347992bdb7c5. 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/DEYT72400118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c14cbefb139b0c92172568d5a44063548c0617a831e99992934d00b6e88b3b0. 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/DEYT72400110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68630648da618220a59b91439fa043513b54dc5b1a69fe689185d754c041b6ad. 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/DEYT72400095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91fbb7b9613e6620753ac990357d79819d49f2de16d6d02c27335a25a7da9e85. 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/DEYT72400075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf760a767011d15273c973b580dcaa1c1d40f05e39a322fbae341c97f18b026f7. 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/DEYT72400049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7672a4a314af8c0c9afb8c1a71757bf4defe94a2c8b783efba247d4ee56e3bdd. 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/DEYT72400067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f771cefc67a5a4c204ec665d11d18febb489818e951774e15131ced7311665a. 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/DEYT72400060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56f6c019fc16f1e764658bab8129f7551ade80918b745111ec5c5ee8670e0b4. 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/DEYT72400057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bcc5a34542768ee71482147757139169d934d4c77ad5e1c0b178a49128858d3. 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/DEYT72100482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4dcb6f64282d053330ac9504ac9e47f6a08a823c802eb65dcf9540c435243df. 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/DEYT72100442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f9fdb4554ae5c5069e8ae08381c43f0ac45efb39faef810c5f51d1e7486404. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/DEYT72200595.
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