Christopher John Spedding (born Peter Robinson, 17 June 1944) is an English guitarist and record producer. In a career spanning more than 50 years, Spedding is best known for his studio session work.
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 0x2eaa46aa81d4c239ec1315040f410a5853963e66070c2bb7a63c1c34fa44541b. 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/6d07c982-2769-4a7a-b72c-40923443bc89.json and https://artists.proofprofile.net/proofs/artist/6d07c982-2769-4a7a-b72c-40923443bc89.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 0x7cbed09d658f7b7edee2bdcccc50cc69bf4ab6c6c792f41de491d743c529b1df. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/GBAYE7600149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840df293ffff218103f21f7585ffc40f60a72f960d9d9040ec8a841e0669eb88. 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/GBAYE0800986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ea0ff2acebb8c58d404da677eb1a75ebc6e77e4c247d1b8b05ac4e0d70528f. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/GBAYE7600146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd10f30948228bb6afbbec6b29bb25de4caafef3d29f60981b9359cc45ac5914. 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/GBAYE7700143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ea399ecadef90d688a48184f84b2f15677c49595c0db121f81e38473621199. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/GBAYE7700144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d954d3edbf81aa5dd75b9946188e2fc397fa8989abed067afb70876827b5b5e. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GBAYE7700146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95004977154ed4598a3d024f1b16cd287fd5510915d68aca00b717b887ce6404. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/GBAYE7700149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5af1c22d86a9fc561c7f4afec5f7649be2c719af80ad699f6dceceb63591b7b. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/GBAYE7700145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9984a0ff4f13cd30c81d7b2c62ad6eb6aa2260b78d49b7844d0f872a9646a7ad. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/GBAYE7700151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9970904fe9c1ed9cd9ed2ff98f5c4f693beaf2b7cbbc7f476463ca7e4cee3e7b. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBAYE7700152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9c3c4e2e05e1fe42ce6389686edf79cbe0beb5ecbd055d459cbbc554edcf142. 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/GBAYE1700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x807bdec641aee7190af130f7eb278f12875eef07d23d5b7eb7583a855bc57d5b. 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/GBAYE1700544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0468a8b47c90723c908ce1c831f1d941962ab9a767d3e3de095ed2d1fff18682. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T13:04:09Z), 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/GBAYE1700545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9684f2b5c1c2fb85b8c14da9f3887e8d70c7da741e74bcc05e7ed6a60b872656. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/GBAYE7800391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09506faa8b46c97ade3f74d1570e0649859b299672b619ead786d82a4fe5638. 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/GBAYE7500075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02978b433da9667613646865c15eac430f4b7790b7a7ac4454c2cd2d41b61019. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBAYE7900156.
One Step Ahead Of Blues (Digitally Remastered Version)
Enemy Within (Digitally Remastered Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09506faa8b46c97ade3f74d1570e0649859b299672b619ead786d82a4fe5638. 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/GBAYE7500075.
Light My Fire - A Classic Rock Salute to the Doors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f24a83034c18b9124e094e7571d7938d2eda5cdbaba1d2635aebf8cf259483. 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/QMFMF1472898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f313eec79f85511d2e8dbd2c99984348c9340893bc7d55ddf327634ba6dda5. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/QM6XS2002497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75295e59ac8f1a6b120fc0605d8ef590854d58c1508e2118316ad32e531856f. 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/QM6XS2002501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa772d942b7a8dd6b69b951b54b114843b03bf6cb2535be3032aa10e3f0ccbfe5. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/QM6XS2002504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9223b6372fad7484e8109624b3b270343cd714b44006d5445927d3e2979cd9fd. 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/QM6XS2002505.