ISRC QZDA81892740
Verified recording
QZDA81892740 is “Take a Puff (Interlude)” by Last Jazz Club,
registered on the CopyrightChains blockchain with CopyrightID
0xb18fbf1207895019989bd4006678054cd3678e19bcabc8531919759a209a8ba7 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA81892740.
Recording identifiers
- ISRC
- QZDA81892740
- Title
- Take a Puff (Interlude)
- Artist
- Last Jazz Club
- CopyrightID (CopyrightChains transaction hash)
0xb18fbf1207895019989bd4006678054cd3678e19bcabc8531919759a209a8ba7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:8a493e12fc21c5c4e70339bfdc7850d468f7e954474fbd368e4aac92b26228d7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA81892740
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Take a Puff (Interlude) · Machine-readable JSON-LD