Lee Matthews may refer to: Lee Matthews (footballer) (born 1979), English football player Lee Matthews (singer) (born 1988), Irish singer, songwriter Lee Mvtthews, New Zealand drum & bass duo
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 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 0xf402aa0914b9dbffe4ce028de7b10b75d2add5ba029a748592a28e302117208a. 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/d749bc47-3ea5-4bd9-809c-b78d3af27aa0.json and https://artists.proofprofile.net/proofs/artist/d749bc47-3ea5-4bd9-809c-b78d3af27aa0.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 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 0x27f6dd03d71ab68d19abcaffd121dac7f8a72bb9c4f2e4b57f938007f4c5566f. 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/TCACA1437881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2b4e981ace10c2b8511366f1120138ab9bad78dac0e3bf2217a4159c139785e. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/TCACA1437892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6907773db019300c021935c813a61989ee9d2afdcc39a621697bfee173b0599. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/TCACA1437923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc71ea5be179d3ff7dd5fee5274402a1647917d17a789c5c1db4f9af5643fb2ec. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/TCACJ1596420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c87364fd712fe6546f2245d3248a1242f6ddd66862343ced92120ea5221c415. 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/TCACJ1596424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc0699ed5e5475a29a58b13baaf2e3419ded27f1fb24030dac7b359aa819943. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/TCACJ1596426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e4d295845faf837bc369e976cc57d48280938e4211a8156cf09dc1837fe7b3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCACJ1596427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63521434482aaa5ba11e32ebab854cf18ae498713f2006691bdd97b282ce40e. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/TCACO1657542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143c20a1e8b048438eb82e7ae5b40c9dbe489d17b9dee25bb650fac3dbc09f8d. 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/TCACQ1691249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6eb38a08b233d8e2f676188429ea3eee6fc704ea2bbf13ce7b3c9c6ae51edc0. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T16:15:11Z), 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/TCADY1806674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f1adad8a34ef7c78f334266bb74d40919f536dc28bf04e50f2fb63bd333961. 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/TCADY1806677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46bb71ff0eba33a80e9949408777cebac1b60ae6b67ab93903d40d14a52e6f38. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/TCAIE2450715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32e5e4845eb72dd5054eca4d895e23ff813375ae0042ecc741066027d63a9f0. 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/TCAIT2473143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8093c60f6a97f89170d4644ef62106957e1191cf8ebc39960260fc74ea6e0a7b. Chain 2 (Bitcoin): anchored in block 957779 (2026-07-13T00:19:08Z), 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/TCAJP2534736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32e5e4845eb72dd5054eca4d895e23ff813375ae0042ecc741066027d63a9f0. 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/TCAIT2473143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2353d19301b3e74ff5248c1cd1ff6062b2eadf618439b91e5af173dd69e95437. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/TCAJG2597183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42cfda4b452f9631b03bdcbabdb0ee14015898267acb4e5ad0ac19f093ea325. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), 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/TCAFN2173742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e94f6b67df68c790d8be37d9ad348bcbbc157459639b35345f30cdad7dfbf86. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/TCAFQ2190335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca1330630406b2ad81381303fad85604df740083349f1a353b2676d726120522. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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/TCAJP2534595.