ISRC GBAAA8400029
Verified recording
GBAAA8400029 is “Question Mark” by Public Image Ltd.,
registered on the CopyrightChains blockchain with CopyrightID
0xf350ebcf7588f15e733327c7568b1ad56befa86c01434f56431da0c764655376 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAAA8400029.
Recording identifiers
- ISRC
- GBAAA8400029
- Title
- Question Mark
- Artist
- Public Image Ltd.
- CopyrightID (CopyrightChains transaction hash)
0xf350ebcf7588f15e733327c7568b1ad56befa86c01434f56431da0c764655376
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:8208cdcc3ec796bdd2899e7e5c61d8fc187d8969fbfc7096e96989a5fa238c99- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAAA8400029
- Bitcoin block existence check
- https://blockstream.info/api/block/957120