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 0xff748b05ca968354bf1d21924ac286cafc7630cea4ef2bf00fd1ff299cf2f4dd. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d24b5bf-2692-4c5d-b8e6-53f34755bf20.json and https://artists.proofprofile.net/proofs/artist/5d24b5bf-2692-4c5d-b8e6-53f34755bf20.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 0x198cbdcdd4d2189bc064b8e597da47242ef0ffbd5154057fee9ff8a78250d083. 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/GBGHZ2200569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a4fcc83387b23ce790042de7f538eb7e48c0c0f53e4f84da2d83b5b802e3f20. 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/DEG932105483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd827a8c5dddf13300129615dcffe748cdc420496ff1b1d4d5628bfff0e2ee918. 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/DEG932102549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82aa92e14fa93afdb4098f656e33b7ee6250f4f41168b86fd189afc111d4f46b. 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/DEG932002637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490144b90cf21eadff37bdc359057c750cff6985d32a57a5f160f6ccf01aca2c. 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/GBGHZ2200575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61fbf3a8e1db3260ad4b704058764b1bbbe4c183b688c7b6127848b6f761aa82. 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/GBGHZ2200577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb21e3e1499834ca08ffe7f0578a4d7dd5764dac701166b3b8f7ed90ef72626b. 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/DEG932003412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6aafc7ea096ce86a40baf25e9f1b5d780208e78d9153585382e0b9d67424dd. 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/DEG932102946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb21e3e1499834ca08ffe7f0578a4d7dd5764dac701166b3b8f7ed90ef72626b. 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/DEG932003412.
City of Angels - Blakkat's Made in Los Angeles Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe087c13d2094ad08c138bd2ce996b7720bc9bce5969f06e5ea32d57fff68a229. 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/GBCEJ2300092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ee25624273c1a98f649f5aebb8ee38c014422d28cfc3f8913c7ee5fc263108a. 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/GBCEJ2400246.
Misery Remember Me - Shiny Toy Guns Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b5d6426da1fc0990baed07327fd0fd44b8516041fd74b968a14b8eecfcb2e80. 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/GBCEJ2400247.
Flight from Angkor - Jamie Myerson Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74eb3f71363fecb3b3b9d53bef2a0541ec68c289473f8cdecd493f51ff337ef. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBCEJ2400248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05fabbc0cf368a6511f4cd09066db391fb6e92398c497b2c52ba3a01889b99db. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBCEJ2400250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e8b9451c51421080feb90a585539d43da369921a9f4ec47bb117e5ba2bcab4. 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/GBCEJ2400251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ee633f40fa1a05e4890d63ec3aadbecf9b08b495107f04cb70ad248e518d76. 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/GBCEJ2400253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ecafd42df9234ba3ad59a5e9ef2c320fb036bfa2a9c814ffac7366c5c110492. 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/GBCEJ2400254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54dce0194d7838d0e88e3943272c60c87f40749dbe0c8bd3464330ed47dc2ac7. 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/GBCEJ2400255.
We Never Went Away - DJ Slow Nyc1980 Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e9de7b1b30e36fafb2eee750150224b3cd93fbdce4f0d4d27e0301045c446a4. 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/GBCEJ2400257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52872890fa0cd6357f58a61fe62991943131cca5f66dd71d8d020343351b241c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBCEJ2400258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50c523d02197128e4f4859debff07e28011810063e512014d9346a97124c7d57. 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/GBKPL1816348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6d24f7bf30e6d90f16bcb35c47dc4b0d33a59fa912a30123fca9e3eeb64ca5. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBKQU2445633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5baf3b63a086ef81caf7bfc3e56fc3adce76dd3c4e8c27cd9fc8ba4076caf41. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL2025683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68423d2b0e9dd2a78523f7dc1a27f31981d8c7d0ebeb5778d63ec60b923c22c4. 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/GBFKY1800029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2d1600be21d8928837d63964804ac3e9ff17bbad3cc85dca11fab098c218566. 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/BK4DA2301872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54fe26aa2e39057343d3fcbdc8a963a12035ac848ca4e1d1dcc7e6d8017ffc0. 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/BK4DA2301145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090c0a46db755414605aa41ffe12b0d83627fd02e83f9f3e9bdb1f434dad5b28. 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/QMBZ91901684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0510ae0b011a4d094c8489a6c1e9a054cacc499406df1be2207ab338b69917. 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/QMBZ91901685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4092d7cf7c0288de4b638f365f6f094b2e7796d384e93002d652f784d5b5f9d0. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/US7VG1766936.
DJ World Music Conference 20 Años, Vol. 2 (Mexico Old School)