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 0xf5b00fb480890330ced2137ed58b54ff9eaee58ffa932986bb5f645cde956606. 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/eb12080c-8013-4527-ad1f-173ac2b2cac0.json and https://artists.proofprofile.net/proofs/artist/eb12080c-8013-4527-ad1f-173ac2b2cac0.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 0x609e7b809056895a45a390deda143c3983376faf7f7aec2b7f200831a4b80660. 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/QZ6K42300095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793aae796e45544aac28d7a607a0e2c4f330718344fdd838172ea3882eb48656. 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/QZ6K42300096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29823c1758b7a41d18976a6a85c7a21a4f96e8d3d885daf83f86947738a5de42. 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/QZ6K42300097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5582b09db00fe8153230ed1a7d2a3a76750e0bd7bae52e446fa70a9b6ef0f3f. 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/QZ6K42300098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd624cbb4c89f2f79c8e9855e269147832ffd3d0f9e26113dcdb51a399de1ddbe. 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/QZ6K42300099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4854de0abfd2a155ae8e351898fa634510a3148dd78d6d399a45c571004f64d. 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/QZ6K42300100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe65c429723c9dcfac803bd229bfab0bdd4dc699a040ed121460abbe4c70b5a. 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/QZ6K42300101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a48321245aa6d61035eef2af1ecf59429cb102e5f430deb7fbb1bd8562892a1. 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/QZ6K42300102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b8ebf3863717f112dda2b4226a19453dd219facb743699d4640c127cdd209e4. 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/QZ6K42300103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe779cf95bf320168d51b231e455dd08280dec55ade9be72fbd1fafb3a6fa2eae. 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/QZ6K42300104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356f2aedddbe593c1b1cbba28632a3678ce68f277604aa692fa79a2bdb22d6dd. 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/QZ6K42300105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2c1487c52e89624379ffc0df2f9ad6b5e0708dbeecbf321103f41bc22f91e5. 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/QZ6K42300106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1737dbc0fcf635154596ea03c99334f2f87c61be48da4a72972d65d5feca90f5. 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/QZ6K42300107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc7514a7cf731992579ab9b1ab04c3a58df9add2523d2b1073de61226b485e27. 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/QZ6K42300108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ed29e57c42d23b7d41518c342a95fb03697103662744ea74e4c697093c61e4a. 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/QZ6K42300109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7429f3b530a50f60cc82c5ca8ab2778315dc748e6efc775a2594d7d4b02fee89. 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/QZ6K42300110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97fd6095f7f5bbe03c06de9ee9b78affaaebfdd0f09adde0566d9fb45ac11964. 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/QZ6K42300111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00b321d219256cc7372ed8238cb6d65d951c50a306c168b1e6456da04f52177e. 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/QZ6K42300112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb2ae2b551b8b298309949b6cce5e22b3dd9c31b8650189d86ac74fccb68982. 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/QZ6K42300113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f3a75a739d39ca0d6ed2b4455d4392b0f849335c395fe523d29026df09117e6. 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/QZ6K42300114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad3e76605eb4028928c19006aa8c6c07f1ef1e5a19c48aa0cd17bd7f9e183395. 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/QZ6K42300115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0225e4f693d15c151caa37cb0097e4b4e57c52763ab93db5645b1ac12014e22. 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/QZ6K42300116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f59b1f12d8ed7b25a307c73ed30adcf4842a5f34495e5ce4d7825a63b74fe26. 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/QZ6K42300117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71da98f28bd2bf9fec2a8cf7b55575625eda77b62f34ee75b9779787c611135c. 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/QZ6K42300118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b85798279c4e14f989718fb54732c802e8626b7d2b16901ad29a447d1f781f. 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/QZ6K42300119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79df452ca8b603155643fa7e9119b6880bbc48e85b987ad195c35592d50e33f5. 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/QZ6K42300120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c461b8e5b58162ba9affc505795a0cf2b8b6428151fe36d047fed105a764a33. 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/QZ6K42300121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88841c3be63fb2acd617407c1cdea7907a0c96cca66219d1df1ecd90f879ae52. 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/QZ6K42300122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4536dee55344e7dc8da97053766760def1428682767fdea6d45150b9cb410c62. 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/QZ6K42300123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f891db6a9915a28ccbace638989b29dec5a3f767bd0d9c00c74a4108910007. 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/QZ6K42300124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087081d2c0b2507a6d7e692b6cdee264be5b2ece23605e4080d382d9b218a6c3. 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/QZ6K42300125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97fe1f7117c7a0987576cfb428849ecaa0879c5207f660162e42362e18aa9be8. 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/QZ6K42300126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89cee0877bbba2058e2cfb381113203dd7fcb19556676d3a20a0f1a1a606e31b. 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/QZ6K42300127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5c1daefeb44b192bf3f83035a8f23ec8af75c02b0aeb02505ac839351d5e0ae. 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/QZ6K42300128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0ba6c87b8f517926ff4cc33b4c23822a5a61091129b6929cdd24a586fb9a6c. 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/QZ6K42300130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5acfc5a7a7aa576554aea1988b580a34d54a3d0319912ee1a41f3a97596422bc. 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/QZ6K42300131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0f6b13cfaddee286c036dbdafc3bc3bedb55ec0a6cb9c8b7164d08517b098f. 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/QZ6K42300132.
Don't Preheat your Oven Because if you do the Song Won't Play
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159ecdd8f758002883b8859d90f002b5b9938f57741b789204672575bc2eaf87. 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/QZ6K42300133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf48d581df7763587102337f4236f5f1430251da464761d87540d969983ea933. 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/QZ6K42300134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f25b619f8326e4b3803feefe6931ba4a2b31960460bab9e3d49e86258c8c699. 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/QZ6K42300135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbfee69a9d7f53b90291574de74d1167cf4e4561f8bdf6d15c5b3d0944a272d4. 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/QZ6K42300136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8513d27c1b6b5d95928456bd0e06916c233051bcd1eb1c346c7fcc9d493f787c. 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/QZ6K42300137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03acb7d55601f764f78b2849694140bf1141dfd99a60bf04848d767b828c78e4. 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/QZ6K42300138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9fee2dd8317fe04bb0685641b3f85350a0603d909124257b24c0fb5f2b23f3. 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/QZ6K42300139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaab23c302c1cdc7840059c122286c682e2b2ef050d3a564d104fb1fcdbdd6256. 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/QZ6K42300140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd425f27f3be6e08e576aafb780507ef1023d6442b32bf39799f2bbf2b4f502. 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/QZ6K42300141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1b822b432d55e4c0fc16c9ad3cff5d5562fe85941738ea90e5feddd29bc086. 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/QZ6K42300142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c5791e66b8bf6f61dfbe40711811ccd635589843ca2b7c10a392a2b6b6d0eac. 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/QZ6K42300143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4374aa37749625a1b1ccbb4e4234fcc5abecb1dd1a052d2e3024bcadb5a4d1f. 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/QZ6K42300144.
Pizza Tower (Original Game Soundtrack - Bonus Tracks)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fb9e1cff7843e1ba6ef959e9600facadfaf3f037e901c5c9abaa1aed74e2c9c. 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/QZ6K42400578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8d3a163aad3a0e86e470150596ab52f5c9d0bd8bd242017947221926fdc900. 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/QZ6K42400330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x315bd542595e622b4762f60ef2bca2c4e80dd98d20011f89bc8fe61103a25d18. 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/QZ6K42400331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef7c85f47119958210d58c0ff78c3f76339c202c9e0269cc5557fd82866bd94f. 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/QZ6K42400332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4052f3e6a0d2e7ccbb728e988f5afee2980c35be21cb1fa1fdefa16a6342c113. 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/QZ6K42400333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe14f2f5a65113a0b3b968c9e8956e3d88990d4b2213547c0f493c8fb3c252afe. 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/QZ6K42400334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfce6d2c722e418628468341f52af21c6d2f163a47ba4cf22dc38e37936902736. 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/QZ6K42400335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df8d6adfab1dd5c0bd378a6883eb0fdcbfa85f13c41c8046db264e7246b5955. 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/QZ6K42400336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1f867139826832e097da287cb088fa905051bb931ceb7e02860545359abc11b. 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/QZ6K42400337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b1f551ef5058de47d6980acdf7bf1de3d8146301b11dbea2ffba2a3d727ca5. 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/QZ6K42400338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa437a93cb80bee7c613c70debdd3bd612ac2472f5049cce942eac6d5b94aec. 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/QZ6K42400339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b6a5face8f9c848f6723a4a1e73cfc650f341099beda799904ae29bcf127841. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GX8LD2474917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1daad0fcbecc7e0274325013e2678a30f7976112e80a321f9094e9af7bfa8f6e. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T09:10:13Z), 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/GX8LD2435779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bb20410433edf417453e97dc08cf6f9e8ada0068c2fec96accd30b8e1057b46. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX8LD2422065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f382be096ec47da7e750e0f77ae11faade36a7406e7a8d4aa6a2726151fb522. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GX8LD2435083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1686da28097745b3772faf4324e4264c9c344f5783bebb7ec16d2c0ac6d0643d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX8LD2420114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924c93b7808ff2d2360344251bccb9e6272475cc411f144bc77ee65f49eacbc0. 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/GX8LD2414129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0fa97095622d89d9ba49884d74c9a12a5a8a27d15c61678e049bca6f330a865. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/GX8LD2492803.
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