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 0x85931bc972667c5c76129f2021e0ea82dd9efaa4835ca2d35eb024464fb320a7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/523ab975-f6ce-4be1-a78d-dbd52657873b.json and https://artists.proofprofile.net/proofs/artist/523ab975-f6ce-4be1-a78d-dbd52657873b.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 0x9458f93b52415131dce1ebc4c38fd45b2f62e15e9cc95540469f4baf6bb1e6c9. 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/BK4DA2314428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77954d310e2c4430071862cd937c69b02a85d1c435c96b4c2096ffea0d7c75fc. 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/QM4TW2331666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc43d110b7a1eca56f5ca0db7a906b0607360086a3cc9355db7c4e7c1b00569c8. 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/ESA012009953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0492a51d24e43a4245b756c3c278238d764455d9722ba520449d17cc43d2e8f. 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/SE6XX2327318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c0b60b81525c9e136f851632e074ad2c30e7d1c2050dd6d2ffcf14c391c931. 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/QM6N22327197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab82981e933d26e024d149f620decd0c03d494c3b7dec351f31f5a48113cf7a7. 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/QM6N22327182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c0b60b81525c9e136f851632e074ad2c30e7d1c2050dd6d2ffcf14c391c931. 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/QM6N22327197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe758e37f5687d3d73f92edb75d43e26636d882698f4ea189774f0e9a279ca09a. 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/QM6N22327269.
Somos nosotros (with Soukin & VELA INFAMOUS)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cccbddbafd6df063e998177116000980c70d62b39c3e1a224bcb0781d7738e3. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/BK4DA2323687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a110a86381ecaebc1e3b02bdbada20a9ea326c5e97178842b65dde5219c01cf. 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/SE5BU2410313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff4ee155760e4b4e8c2fe3e4317db13b565763c85d823c54fba6a112c19cb27b. 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/ESA012011139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49eeb0f9f51af6e28e81eb5b09b076448b230dd121a32da429492dc6b17794c7. 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/QM4TW2331665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9b354d1ca21171a6c398cd4f4bc12167db13d8b6827892ae4fceceecb285e6. 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/QM6MZ2509958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb724bf2d7a8b03396827b2837072e5fb3de4dc30c3da5c3109bb2797c910247. 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/SE6XW2196978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18777f338b3a343f54c1b13e452d9489c872f0c15d775256cf89e4ec7503f1a. 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/SE6XW2197013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea86e8436a32378b97f39b1f8100831bfbc57f18dd6dfe0076a5b0ab32e2bc24. 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/SE6XW2197018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a15b6f2f1745856e72cebd082cfba4de6f9afe5d7eeec45140a50c5c91b97f. 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/SE6XW2197009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a008706b0483754315d09d402c9aeaadf0c713cd7b44aaba15bec9d66291e6. 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/SE6XW2197020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b806ff763aacc7a307cd7876cc5147960a1ade144beadd43a36248a334985ba. 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/SE5752433626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e294384df0ea8b8d7db9383bd4780d0bad3c1567fe760900b5713453d748e4. 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/SE5752410065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41130e63d563bf8cecd0ce5bf04e669b5bf4ea087d853ee8342e4f06eed19a80. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/SE5752407336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddf7370be015b680814c9916f17cad422e08e84aa5330c599279a670c06c8b54. 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/ES64E2451570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe758e37f5687d3d73f92edb75d43e26636d882698f4ea189774f0e9a279ca09a. 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/QM6N22327269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e41383c283e84ecfe0e0669fdac3478998d9dee17387ee841c535ebbbb9cc9d. 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/QM4TW2331669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77954d310e2c4430071862cd937c69b02a85d1c435c96b4c2096ffea0d7c75fc. 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/QM4TW2331666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa06820eef4223636896b394333953d96cc2b7b3a17521923cfa8ed90f2206b81. 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/QMFMF2234897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d2013439fd00416bb4fa7534114a802d33dd71b68620577e83d5afb0b1d2f62. 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/ES47E2004999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51666c942c66a388a9eb7a82a38f547a5ae0532bec1e93fbaa267aec666fdcbd. 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/ES47E2001502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bbc41bb0e032342b37b8fb1103e5c6982bcd5899a9e7b287e51b96e4c9e93e0. 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/ES47E2001503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e84d36cea5e569e1526ac8aa555c420d90985dee8ef8c92fe3f00ea917fc48a. 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/ES47E2001505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51cdc41fa4fcf3b01241c7895aff78f1ce870146b365467175e20412afdbb01. 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/ESA011875937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d5f997f8beb9ed17479dbbcb8c58ec903694846cf0bdae4718d42d6d36262f. 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/ESA012009954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a70f5c0db953084cb96f0d6b10c8eeb473528766ecbd97dafd972bbf11a8d2f. 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/ESA012003272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdbe9393dc874264b8c1fd408d0e2b903b3eee19a741d49bf878e79fa6e4c743. 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/ZZOPM2237161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cccbddbafd6df063e998177116000980c70d62b39c3e1a224bcb0781d7738e3. 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/BK4DA2323687.