Lee Foss is a record producer and DJ from DeKalb, Illinois. In addition to a number of releases on labels such as Culprit, Wolf+Lamb and No. 19, he co-founded the dance music label Hot Creations and i
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 0xca13e6c20b4d41e7ce876e0b52c2888a1f6e0df883c0c2933acebff32b971ea5. 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/c8b8154b-8bfa-4f41-bcd5-49cdd0220bd1.json and https://artists.proofprofile.net/proofs/artist/c8b8154b-8bfa-4f41-bcd5-49cdd0220bd1.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 0x9defd89696eb67a0b12778997fbaf7cca2e1c0f622b6d293b49b20b359cea1eb. 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/CA5KR2235645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe416cc98e1dd5dd9edbab19bf1f056b909771633d873a1faaba6a02b42982cda. 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/GBK6Y2151161.
Piece Of Your Heart (The Remixes, Pt. 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18400a8a57c7ea9af1c781b311de3e792ee3ced2380b5d87b922e764bcdddf9d. 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/DEUM71903236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a50c2826bc28b4479c52055301fe4e02f8a68b7353ed7e54a6f72be39755b56. 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/GBUM72101642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a50c2826bc28b4479c52055301fe4e02f8a68b7353ed7e54a6f72be39755b56. 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/GBUM72101642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a50aacfa4cd9afeffe55a5fb03d3d10cc5ea1f511effaba18de4714d07bf07. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USW690900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cea96222e59420d418ab5a0a93684480286fa6e055f0f8cac94366c094c005e. 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/USUS12000268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x724a48d179b3f6ee15567573c89457ef2e6ac398cc571508a8501085265ab0e4. 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/GBK6Y2151001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f5102206b430def7c32be8bfc1dd38e2391ade7e51ea5c28f1e38795f45f27. 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/GBK6Y2151002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1747a63600e0cdfe3c2a17593bc2984c2fb9eb130850b6cff7be0546ca7e1d60. 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/GBK6Y2016303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80c802354cd4bdbc5956f1990c111d518d4ab88f8e021e5edfacda29c37cb778. 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/GBK6Y2016302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cea96222e59420d418ab5a0a93684480286fa6e055f0f8cac94366c094c005e. 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/USUS12000268.
Only the Gods / Better on My Own (feat. Anabel Englund)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aa4f7a47a1fc043c3cb3efd833a24399eeaa68ba152a67dbe907565e0bcdc87. 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/GBAYE2000161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007520b483a16910f67cbccaa2691c25dedd39078e07eebf392b99dd6aeb54d8. 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/GBK6Y1952601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc681cc13ec27cd2f1082da8b91a4896252f736e607842f18e81cd3ee84224d0. 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/GBUM72301373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1322757b92e7e98c839fe13b4e3920491f4f79d5d3eb844f3b44828fcfeeb9b. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USW690900002.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13cd3b34b37a39351b2d98d0d46876b59fc42298e595a3f1f4107a87983dc03a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USW690900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469215608472623f63689aab63bbb61b93a4b8a55fde9be72a70c184970e3fd8. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/GBK6Y1952602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x406207e90f9594f84053778d37bdc801134c11aa2f878d01432baf8285a30762. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/GBK6Y1951603.