ISRC QZKDK2007164
Verified recording
QZKDK2007164 is “Back When” by Joanna Crass,
registered on the CopyrightChains blockchain with CopyrightID
0xd63e03af11b9beb1856f0ec6cf245f678aafe61fc1d09ee996a02aa82e0683dc and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKDK2007164.
Recording identifiers
- ISRC
- QZKDK2007164
- Title
- Back When
- Artist
- Joanna Crass
- CopyrightID (CopyrightChains transaction hash)
0xd63e03af11b9beb1856f0ec6cf245f678aafe61fc1d09ee996a02aa82e0683dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:9b9748d6c0eb2e598423633088e4a2b694f866552343b9530e589285d2fe381f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKDK2007164
- Bitcoin block existence check
- https://blockstream.info/api/block/960144