thumb|Tourniquet being applied to an arm on a training dummy alt=|thumb|A Combat Application Tourniquet (CAT) of the 7th generation, commonly used by combat medics (military environment) and EMS (civi
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 0xef1cf759e5e7e73dd743a7708725e6d23c51a5c397ba288058c7f30d38a43ba1. 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/38ba619e-f8e0-4be7-bdf5-cd22d47408de.json and https://artists.proofprofile.net/proofs/artist/38ba619e-f8e0-4be7-bdf5-cd22d47408de.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 0x1486246263c44cd787524ca0a9c9e84de31ef03baf150d94071215fd8599e092. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/USCGH0986285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39775bf3fddb176b7eb46c245f0bb3e48e6b915b60c8fcf2b1266baa0ae62a68. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USCGH0986288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d0c4c81554af07e35a53deb63c5a21dfc3426fa6cd314c43e8797ca6890e52b. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/USCGH0987092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbf56845439eb7e8d9d98e6aa8e9ba5c2dddd0e07296c43ee61744cff5ad1e9. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USCGH0987093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff1a25fda701061c91b8c57669832b27cae4a8845c757727714dfb1752f2c3c. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USCGH0987098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1008601f257f038453f2e948ad53aa17358fd77aa2e1df7e31f9903f5c18b125. 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/USTC70866588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20821b7efb059396e46c223ef8d8f2078d9a54e5df0a10ccc060d8379a8c1195. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USTC70866594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84f92295f1827ea44621013c73a375d4f931916b1b87fa65ae00533bea03c416. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/USTC70866609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c50baa7a9a4528d7844674517ee09b5fe12e3bc6e3fbab5308dd7ce70de037. 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/USTC70866613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc064cb33c1f6a7a68e25385f2235132163b95ddb988ece2778347c37f704799f. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USTC70866627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12ffa13a13237795eec36d009943b40e49600b5b0b60bc22b66010401f607b47. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USTC70878105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda811aad41f364194f07cb148740b388f85fa67009c9e2cab1ef7975cfe4c979. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T17:38:39Z), 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/USTC70878170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7552f30115b4d426c4e6c2968c3dac5dd2acbdadca91e74e941e76096111a192. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:41:49Z), 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/USTC70878177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf41ae7fb8ed4084ca585d83a32f0d35bea833b1cec6bb2adbea13be7c2e7ec4. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/USHM21203794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57579d5dc45aceaeae028d6c2e6beda934595c0fbedaf7f8f7281e342f1caa10. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USHM21203795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9befd7b023c1619e346dca883c75fe521e14f83ba8cdf5f315aeb1a8076beda. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/USHM21203796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e0f6f83b6d6c06eca1ce6611e14e7e5c15ba69a9b23a4980e03df22bef1505f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USHM21203797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9fb4bb589611c0c4afec851d5eaff72c9c7e269ee8b5faad5ce416a5071ddb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USHM21203786.
Antiseptic Bloodbath: Voiceless (Instrumental)
Onward to Freedom (feat. Michael Sweet & Mattie Montgomery)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1baa9bfca24002777275abf170faf3d5b2e47eba903e205d3a8de9a0de0372a2. 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/TCACB1437849.
The Slave Ring (feat. Mattie Montgomery, Nick Villars & Chris Poland)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff73749e9e0ea7fca05071abd7688dc4d9f09bb380e3a92c5c7bdd0afd6498a. 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/TCACB1437853.
The Noble Case for Mercy (feat. Ed Asner)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098ea1979255b007738c46dde1bfdc621a950d88b953604b9c12e2fa32cb240c. 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/TCACB1437858.
Let the Wild Just Be Wild (feat. Gabbie Rae, Nick Villars & Rex Carroll)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2198d38dfdb6fee8a76c97bf36946a65e294b78e1ca2454654b7046362ae39c. 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/TCACB1437863.
Stereotaxic Atrocities (feat. Luke Easter & Marty Friedman)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bc6aaa55ee3374b78665839e049fffc4fa6c834525659902fea78f8ebbf42ce. 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/TCACB1437885.
Cage 23 (feat. Gabbie Rae & Ashley Argota)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbfa2eadb95d940e8d7bb339ad8dfea71ee158283fa828bcf27bad1e0fde41d1. 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/TCACB1437895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34f92bd687b4efc7451efcc0763a9ce39c7f08114b76757a11c0d65791a2632a. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/TCADX1816378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d95f90488a7466c62889249c04d951e4cf58791f5384ffc1bd9049cae21b65b. 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/TCADX1816502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e9c2a62d4c0c8145ffe30527ff4d1a40241b0cd4e6871f033e1805f6c055473. 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/TCADX1816510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcce2a23952821397b6fe775bebdca4f449f0c9d76b8ef31fa891e3bdd377155c. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/TCADX1816528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfab1151fd5f8f3375e48b776a3c8b5a40e4a437872ca26db829fc6c892739aa2. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/TCADX1816547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc4214ad46854dcfa9461dc08d1c1d1f561f135dfae4c23da061347a6984eec. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), 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/TCADX1816560.
Pathogenic Ocular Dissonance (Collector's Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8438b1535c512a14237873833972a08135e2a0a53255e9cdc3fba7d9baf2cc89. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USHM82072172.