Thompson Twins were an English pop band, formed in 1977 in Sheffield. Initially a new wave group, they switched to a more mainstream pop sound and achieved considerable popularity during the early and
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 0x90229b1d63d0c6b60f3cec041a5d68823d1f9292fafaf2ad7faed806f91e144f. 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/fc29a800-63d1-403d-bae0-4b2d2e960aff.json and https://artists.proofprofile.net/proofs/artist/fc29a800-63d1-403d-bae0-4b2d2e960aff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Best of Thompson Twins Greatest Mixes
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 0xc87a4337914bf243edfd07bf0443abe4a2c061100f2da5a44af994a2a9e5a743. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBARK8300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb5bd0f58c7ee9218dad230a468fedc552c8397ef4bfd00de9315c1d0df5e569. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBARL8300064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f825917189846708842be0eb63962099d0c4d46db48eecf74efb135d25c5d18. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBARK8300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3a8d24d6b118403912df37f6aa7727c061c62888bf5b48121cef7c30d7606c. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/USWB10100082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa7e31ba75f638fc7d6e53e06412ac3530b01108ca01a517a22487a17603e85. 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/GBARK8300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3759d7ca8cdfe51a1f6b0b28e35427225eeef8e69cde2324a83ddf5aac66e8e5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBARK0400044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa7e31ba75f638fc7d6e53e06412ac3530b01108ca01a517a22487a17603e85. 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/GBARK8300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f68a7e57007d34c2734ca460249d3d5828e1cfffd5c34200db08b0ca6cf02c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBARK8200035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe4726aaeb469a550122568c45e2bcb758e575e7a9ceb537c7352afbac28650a. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/GBARK0800026.