Leonard Maxwell Boyce, (born 27 September 1943) is a Welsh comedian, singer and entertainer from Glynneath, Wales. He rose to fame in the mid-1970s with an act that combined musical comedy with his p
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 0x233a0ca94c24b59827bda2459e618e0ce76fe0bb101a20777a8f59375fe758bd. 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/b0702a3d-98ad-42b6-bf28-d5d5406fe52f.json and https://artists.proofprofile.net/proofs/artist/b0702a3d-98ad-42b6-bf28-d5d5406fe52f.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 0x7a33259ffa060857947db759670f5e5bbd9f66877c3bf4747f892953c815bcc0. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/GBAYE7400418.
The Ballad of Morgan the Moon - Live at Treorchy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7a2fe100401a733386253bd7150228a0bc73f31b380ab6a5e3abd65626cae3f. 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/GBAYE7400419.
The Outside Half Factory - Live at Treorchy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0052441c71e85806132bccf2843fd5d86c55fac1953eb681c982eedf9ffc3694. 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/GBAYE7400420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a93827869170d6215110d42b1984b5629c3047a727124238e634a3771d850a. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/GBAYE7400421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ed8ac35c35a1a8da41d9bbdcda7309d076967725acf4b83b059a8ba9999f40. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/GBAYE7400422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d3b380670cb1b02d772be17231bb0276860985d017cc354e3e72e145c4699c. 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/GBAYE7300429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81a884b100919e5b2c9fe5b3c84fb8c47eea788a1d897fba71e3de3e35d688b. 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/GBAYE7500331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a33259ffa060857947db759670f5e5bbd9f66877c3bf4747f892953c815bcc0. 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/GBAYE7400418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ed8ac35c35a1a8da41d9bbdcda7309d076967725acf4b83b059a8ba9999f40. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/GBAYE7400422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc939f4b8c1e4be0bd46f168582a8df82f315739f017de575a00bbd3f2379312c. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/GBAYE7900533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bb1512eafef5e137c7396a8d6975413f535d13003e25ec80065029e289c7c5f. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/GBAYE7500698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff2fb866477359bb14978e1308b66f093ea05fa9fbd77c71031d8aeb0777a4c. 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/GBAYE7500696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e07abd9e9725eebaa98f407acc5063558ae2af8d5c0c64536b4b54f2f5769d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GBAYE7500334.
I Know 'Cos I Was There!! (Live in Concert)