Timothy John Crooks (born 12 May 1949) is a former British rower who competed at the 1972 Summer Olympics and the 1976 Summer Olympics. He was seven times winner at Henley Royal Regatta and won the Wi
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 0x881c21957f9baf4f1db696e7afdd1c000f8519ed26b3265a282615137528fde9. 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/e3995029-c5c1-49c6-bcbe-330a26057c04.json and https://artists.proofprofile.net/proofs/artist/e3995029-c5c1-49c6-bcbe-330a26057c04.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 0x6d9ebc910d981e700bc7af07933d7891492af0a92516d4d5aaf0a948db1df02f. 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/USQX91602130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a6064cafdfce0bd27d9e625839afda89e818da55251a003e465e1b5f58b1f5. 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/USQX91602131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe531a596c7ec55ba82985a7a74a940790d418db0d88701d9972475c64d01b12d. 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/USQX91602132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86bf91e5edb00ffa6c570ac012a36d1cbb4d85812d9b3a0616179311977476d2. 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/USQX91602133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4cb670ad03cc9dd8401a598e7f903a88def73fdc317b842a5745054d8a00611. 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/USQX91602134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702b0988b36ed1b9aa1da107ccce47c57f489869d92f3b23a4c8f8d4a9a27e95. 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/USQX91602135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54223c23f5e7779464c4a310e17c3b6bb93cfe99f17b7c6362df4534aff81638. 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/USQX91602136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a49a317f6323f6fb35b95b29b153857e7306e1a624dd3d1c3275843f050332. 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/USQX91602137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb14c3a60ecd21553caca015b0e672697c7b64f4d58e22fdb9bcf531539fc5a5. 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/USQX91602138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3931b068b6b33ffd8e8f0f7d23dbcb65c1708a2e32eb92b191eab6987a72718. 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/USQX91602139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa23da8881b745c33696b1c4c850e4c09432b5b4548f678bf1a56be5ea6bc9041. 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/USQX91602140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f444670fc566a4f2281f296b7c748abf69368b60b8ce31696347187b9b38f5. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USQX91602141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4194e0666cd8a90c76afd882b159da14b24aff26e81d01d9cee09377d2277981. 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/USQX91602142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702f03aed425126eea0386edea447bc0be119af2360439df241bb63497bdb731. 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/USQX91602143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b1837a1b0a5c235cee5532b7a453663057ec6baba79b9a218b9167c8ac86a6. 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/USQX91602144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f7e2eb58660ebe5f5c149ecb199e19f4f9e7d5041ed44d34e424cd7a6c3a37. 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/USQX91602145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40346f3387353491b0736c450d79049bac32870a305e81d91f59a334fe27115c. 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/USQX91602146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa077178dae25d19f08e047ab51a18d5591caaca43d09fb23248386f0b6ee50. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USQX91602147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea536047e52b5dce5155ecd7445afcc443488569f1f075f0b4225f9c4e7a7939. 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/USQX91602148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9eceebba4d26497fe4735ea0426d92114e94ad5c924a8d984fa8ffa4890613. 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/USQX91602149.