ISRC QZDA81892733
Verified recording
QZDA81892733 is “Most Definitely Ill” by Last Jazz Club,
registered on the CopyrightChains blockchain with CopyrightID
0x1c2017494ae002bf08e4e2c5e5d1c6b75b3f9d81222b785874e68e00d4ce39c5 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA81892733.
Recording identifiers
- ISRC
- QZDA81892733
- Title
- Most Definitely Ill
- Artist
- Last Jazz Club
- CopyrightID (CopyrightChains transaction hash)
0x1c2017494ae002bf08e4e2c5e5d1c6b75b3f9d81222b785874e68e00d4ce39c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:cdba1fd4b6df786cead8de438ec46f3bf1d2a63e5d683ff0e3138e9a2e575367- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA81892733
- Bitcoin block existence check
- https://blockstream.info/api/block/960455