Junkhouse is a Canadian rock band formed in Hamilton, Ontario in 1989. They released three albums during the 1990s, which spawned numerous charting singles in Canada. They initially disbanded in 1998,
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 0x6b8fcee2f5782c9a9bc699b65d4aef1dea37ccd64095bff8768f68457c908870. 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/44050321-e71f-4a56-adb0-bd4d60bf3909.json and https://artists.proofprofile.net/proofs/artist/44050321-e71f-4a56-adb0-bd4d60bf3909.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 0xe5c29de9a0ab1170c24405913cdb3857d9837f02446ac2819558c941d887e6c1. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/CAE249300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52be25765a72d3450c35e454ed0603f1b32983f98f53578c2ae3309c4b12a7ec. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/CAE249300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02a6c8ae9ef895b493182526803aec8c84f7d2a22a1409d55943107952e100a0. 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/CAE249300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b10e68da041fa05590bda42a436b30e6b4f9c4a90503f51500fb59190fe4cc. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/CAE249300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c164a8cde7106a23ed0c5e98f5c0624eda701ccb16f7f738b4e0992504accd. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:32:19Z), 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/CAE249300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3f341b1074c08242202d3aea6e573289a75eefca8aee9d5fde058d4a577388. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:47:29Z), 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/CAE249300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee34508cf3eac95dac3722c56011a76f43b8b8f1529d932752bdc1c97f9d2a51. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/CAC229700031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a4e124d079c81903ee2bf31f7cc81d6376361c863f2752be0d06a3d8f65f99c. 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/CAC229700028.