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 0x973f8d8cbcabd52b177d43b3ea61a9caa9c6b6d78009394dc7a5ed8ec906b1ab. 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/8a1fc7a9-a73b-4376-a52c-721d68af0316.json and https://artists.proofprofile.net/proofs/artist/8a1fc7a9-a73b-4376-a52c-721d68af0316.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 0x538e734767a02d27bc9e56a458b9c7e3c5acd1dd947647e8689457929af209d8. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/DEGD50900131.
Fett Bass vs. Space Man - Torsten Kanzler Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d658485fa719158ac60ed8aed03bc0868aec0cad92579ede26b4ba4d855cc3a. 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/DEGD51000176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a339f17013c4b34512f4d98811961fcda56b631f301aeeea641e181d83552b. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/DEGD51100274.
Drive - Kerstin Eden and Pascal Feos Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01612bfbf6b26382f33865f1cdb36bc916102cfcf9d690432330a4fda5226210. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/DEGD51800539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc10762b54bb23ae404012ac6f21a43c62e44398a997980d5e2d404c4d6ed9432. 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/GBKQU1910282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8859a89a77e1d0e6ac1fd0fa3b2e16166f40bea2652eddd0d3d593a3d998b23a. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/GBLV61902673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa7291c79bf164a4ff6ed8c17df31e78ed0c7fa908d538d8e41e754a27d3a7c. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/DEGD52300584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44b465d2012d658591096114fd342929a33c2765de579d43c54d55d5651a066. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T18:33:24Z), 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/GBKQU2381006.
Rave the Planet: Supporter Series, Vol. 018
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0520e3237aecc87133b9be303236f681fbfbbb5f2861e10da2ec5bbe3861c6. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/DEY472378553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb77dec07f312f455510a96f93326e2b10dee2c576b68a9407c46e5c7b57fe57. Chain 2 (Bitcoin): anchored in block 958714 (2026-07-19T09:51:44Z), 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/DEH742329136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d91de58dcae7b33ffa362eda3fdb0f443097295665fb2241cb920d7964bae92. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/DEGD52400587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67ff333864afcbb8b8804c2e7e02f1decf81ece0a8b6099afabc3a0ba29311c1. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DEH742414610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4894a057efdddaa4ba2bc75247e9c84d1f5e29767065b57a72a6f062b3682fa2. 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/US83Z2411976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14807bb6dc78aabeb15b70e964bc6d30951d340691b80c12365d8a0d6336245f. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:05:33Z), 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/DEY472570473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd7869a096da54ef7d2a4202afb9c69fd03b692e9c0fa7d23941c63c4e452461. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T12:47:12Z), 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/DEH742505897.