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 0xf41388b334ca9670bfb10942dac5071860bbf68bc601c2757728b8eb8bc88cda. 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/688aba4e-9371-4ce7-be09-b92b406cd4f8.json and https://artists.proofprofile.net/proofs/artist/688aba4e-9371-4ce7-be09-b92b406cd4f8.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 0xa1c2b8fc7cc1b5cd0471ac81d79b12fa11e665117b714c9cae297ce9c9b78dcd. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBLFP1772206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb322257e90ff88accfebe8be0e580ee4c27409095cbc2aa9553f1f88586f3b3f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1772207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d537b67c254c87ed7cebcd2d9a70f10e3671e3dc84f730c5d898a3319179c0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1772212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e8400121f659650de03d1543100b8d6a184202b47069b4d72403ad11b63f0a. 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/GBLFP1772213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d1c1e0bb0a1f1bc0408fab2373a252dab36d3326c18fea4dc189fd60ec1f7f. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/GBLFP1772214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e67ff55cd411b220592374770e82ab57f0307691fee5d10aaba576546596b4f. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/GBLFP1772215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9c43af1149df5f03c85c930d34357f423713c40a339ee5674e8d343e9fd31b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1772217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a551a9ea5ae7af964532e51ccd0a06e7c86bdd1757c1d6fab9c587858efdae. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/GBLFP1772220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e792cae1e6a25cc3bb8b41222e4456e08994f0588b636503844018bd2502f0c. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/GBLFP1772221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27624187b15e0aab6bb28f9c99fa1318cb4c0820870ae79429c7a828d2406cf5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBLFP1772228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55046828d30a52672cafcae0b4a668498d102017c7c6c982b180787a555eabc5. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1772275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a7eddabd7e3c7ac82413b2c473ba4ea3fc2fca6f2390a59755c3760a3c8d1b. 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/GBLFP1772287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ee3e4a52719f1c97e154223ee6226af33d95526a58571e4fa1368c21c3c145. 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/GBLFP1772288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ba393b4753209ac79f390ee97c4435b49045d631143c12515d2575803a8479. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1772289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x315b4dbda9c69e25c0c2ff0f112111de4dee7beaf25eb6e6cfef178b423d4188. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/GBLFP1772290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e3f9794f61b95a4763e7be671a18cab9cb0a15bcd796c2d0a24e2fe79afb29f. 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/GBLFP1772291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47750805636240287fc4458588f993095c4b6929b53590b81d60b580a268081e. 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/GBLFP1772292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a27d4083858815fc41d9c8f5d5b4f0d0aa7887cd8f48550bc16194e5ff3b3d. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GBLFP1772295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a49bd5fdbafa56c61e30e49ed7482cf0965bdf5f073c8efd084578aff953a6. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GBLFP1772307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58d72dec71f43156b4964a17d79a7f4ac3e22172ca3dea3a07bb86324e00dc8. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBLFP1534442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x060716e9e306cd7f65651a28319ca118377003be0157fe51e058799cd6236a83. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/GBLFP1534449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x693b49f14720782e7588d2d465c8f28b86f5fb7afbc05044a6a37a46eefdbccb. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/GBLFP1534455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5442bea92e8f40fc6d7ebd0a1f53e286096de3abd420f3aac4cd7d3a55feaa8. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/GBMA21877887.
Bad Man Ting (Instrumental and Chorus Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773ed0b32597da38ba297ce7a6a632f3bad842b8804c12b207e6dc726aa0bdbe. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/GBLFP2339279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3fb7b8bbfc4ef3a376463f6add0bb98aeb11ed3bab51bd11ee8002737debe4f. Chain 2 (Bitcoin): anchored in block 958498 (2026-07-18T04:54:58Z), 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/UK6822319449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f25497e6fec22447fd93a4594172043a8ae49e7b10745caa839a106d782bb1. 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/UK6822319450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf727d39a3391a52df698ae2583f97dcc956cc77e9daf61b30e5b80e288726fc5. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/UK6822319451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0dd14fe00960c020f12048a8b10cb891bd56d3af0f2c8551a3443e8b24483b. 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/UK6822319452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773ed0b32597da38ba297ce7a6a632f3bad842b8804c12b207e6dc726aa0bdbe. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T13:27:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP2339279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a65c4187baad1356d8ba1c6e142d51be4594ca66b24f3d978622d8ba2394c4. Chain 2 (Bitcoin): anchored in block 957826 (2026-07-13T08:56:09Z), 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/UK6822319454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93db7316169ff4d767edb1b146aa9543734bbfb1d2903e20c7d489fcb3467df0. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/GBLFP2255147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x130d758e7f08aeea3a3047d53dc131615f324e386e7b3d8d7a0713d2c5a561a2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBY711530193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86b063713b9e20bddf06a8b2491d6305668909114f28ca10a9b2601590b3f58f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES52203854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x449b63670f18e7fe65645f08838193326df72a74c86a8d91ddf144e0346976b8. 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/GX7B52300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46eef395a580c55009c17c6a640942338a78d41db62b1ec2e7bc6ba0d1a4eb77. 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/TCACA1445858.