ISRC QZ5FN2309827
Verified recording
QZ5FN2309827 is “Yesterday” by Dave Loew,
registered on the CopyrightChains blockchain with CopyrightID
0xf77f6d4cd93fd48ae51e571fa59582f907c17a21ac445e70ca4bf9e974fa88a4 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5FN2309827.
Recording identifiers
- ISRC
- QZ5FN2309827
- Title
- Yesterday
- Artist
- Dave Loew
- CopyrightID (CopyrightChains transaction hash)
0xf77f6d4cd93fd48ae51e571fa59582f907c17a21ac445e70ca4bf9e974fa88a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:5b18a846082ce0fe3ff1c6f1c7b8963287ef32c2d98c1d1df4bc8ca2e96c879e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5FN2309827
- Bitcoin block existence check
- https://blockstream.info/api/block/960220