Barry Leitch (born 27 April 1970 in Strathaven, Scotland) is a Scottish video game music composer. His work includes the Lotus Turbo Challenge, TFX, Gauntlet Legends, Gauntlet Dark Legacy, Top Gear,
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 0x7bdd2482076f0a33fba58c46e6f107d55bd0f08e442f4636eee62ed98df4c5a3. 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/c59d6998-d244-4efa-99a9-8bd5dfb75fae.json and https://artists.proofprofile.net/proofs/artist/c59d6998-d244-4efa-99a9-8bd5dfb75fae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Horizon Chase (Official Game Sound Track)
Horizon Chase (Title Theme) [Top Gear Revisited]
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 0x218c4f37ec593a282675ab7a552b4e5b3efffb01994639aeb1722970da21bb55. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:15:41Z), 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/USHM81516771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x923a042c5d1ac0676a703a14ab387822da7fda481f4fb6b3ff5f3ae102c9eb01. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USHM81516783.
Top Gear / Horizon Chase (Official Soundtrack)
Top Gear Title Theme (Sao Paolo Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec0f7296253b26f4b0733e9a9278d48b6fded26ff917f7ceba9a07c51dec34f8. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/USCGH1739197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307d17e9b2ec6b348d138b1d9e9369b1b4be816487063085e8560330ab96f8ad. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:41:57Z), 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/USCGH1739198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd985e88b75c447e7635703deff93629343ca39130e3d445696a07e0102b3c5b7. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/USCGH1739200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab3a3f982dcf918208bdb4e3961690fdd20059b9c17a28e7a8e13d3c547e8bc. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T12:42:39Z), 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/USCGH1739201.
Horizon Chase Turbo (Official Game Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45efe1747aba2724c907dd8b342d180caff5498a5a500bfbc0e6674b28729752. 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/USDY41883428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c2da1479976e62d7d9ab4503fe8d189567e99b197c3628205040641e860e82a. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T18:25:53Z), 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/USDY41883429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2287bc0f85ad865dead3b61cfe4915e4828ae4e717db365680e7b611ecff729. 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/USDY41883430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20dd6620b4377ee258de4e3827e27c49ce81775b0916270695e1dd5f782ccf55. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/USDY41883431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5213cb9ab064edebcc4f3acda03fd6165d9543da2b73ee27ca3259a9c36958b3. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/USDY41883433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a54702559b44a2e2807e99dc16991e614658406f9ac4ac88434dd64d1814f07. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T22:46:23Z), 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/USDY41883434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86bbf6adaa65ef09993661add65f2ed6ef67ca9756a2d48981e4359d16aaf54. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USDY41883440.
Race 12: the Last Hurrah of a Video Game Composer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bac5472d5148eb81864529ca8a13e846c6f741bf9a43886673beaa5ee782d32. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:28:06Z), 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/USDY41883444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0870c5d4036625151c20b65c962f70f010212c94f9dfbd345ab751e2a7e6be2. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USHM22185521.
Horizon Chase 2 (Official Game Soundtrack Ost)
Love Long Lost (I Don't Speak German) [German Words Mix]
Top Gear Title / Main Theme (Let's Race)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718841cecdb12ca277c93e0d6b7a710c76bbd3b71d3ad967c0417ba10b3158b3. 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/USCGJ1703455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c53058b56bcc74eff5aafa73db511a65a3a972b0d88fee362ca224b22c1611f. 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/USCGJ1703456.
Bordeaux (Turbo Challenge) [From "Top Gear"]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93108c427557b2b899542903fe8274ba1414363b1adcaef628270cae8d6749db. 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/USCGJ1703458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b63bbf3a4d5939f2cbba8225be4dc2fe8857135fd7c5bb2408d1926c8d3c704. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T14:05:39Z), 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/USCGJ1703461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb6df17e58dd477a097a5719c6d00380802ac1d3e7eca962a733125fd95b3b6. 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/USCGJ1703462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb90ec8b8d7455374cca8c4f77bd0b2ae51341297d07ff6c69dd8d5cf98587ac6. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/USCGJ1703457.
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
Frankfurt (Speed Chaser) [From "Top Gear"]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ea8b6f9a88548df48dbfee5bb8bca6577de581ad0993d68b85e33d712a51c2. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/USCGJ1703459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843b3ae8bb6274246574313cad8cd2a0bdd826b5db0c7a0f98c65057beb639aa. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/USCGJ1703460.