Crime & the City Solution is an Australian rock band formed in late 1977 by singer-songwriter and mainstay Simon Bonney. They disbanded in 1979 leaving only bootleg recordings and demos. In late 1983,
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 0x763143c70150d3d04a5cb3d64d631f0176b48713d00b4368a4b30317e075a599. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aca332ff-074e-43da-8914-e6802f6dc877.json and https://artists.proofprofile.net/proofs/artist/aca332ff-074e-43da-8914-e6802f6dc877.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40689e49511a29c08c0c9ae95b9d6633a820018961d4b5dc597cf277e3d7058a. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/GBAJH0400397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa518a84cd0a70c94d8bcb0d49dcdfc56f75fe0efd20a6b4b5b4588f4c93c69c8. 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/GBAJH0400398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd2201e11ad1723e3f58d152e13a71b72e53b276ef15f1aefb69656419568f0. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GBAJH0400401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea7359c27418ac8286f2957746a9dfe9d9c235fff6f3df47c214b92155df1eb. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/GBAJH0401917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd6b9af37b51bb077884ecb0c685addcefe7802de9816e66b6e919bcc3f775c. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/GBAJH0502570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a0856c76acaebb3926d53ed829e04996d8c921ac795eaf0e0754d68dd09f48. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:18:06Z), 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/GBAJH0502145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f53c1b09295f6200b30fe5fe26e087f58e5abef2776e66bbecb12103c716510. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/GBR8R2400478.