ISRC QM4TW2385913
Verified recording
QM4TW2385913 is “Left and Right: Petit Allegro 2” by Andrew Holdsworth,
registered on the CopyrightChains blockchain with CopyrightID
0x503c66ec15bc91419afcd58e57cac62f658670a6ca8f34bb2c40dfc2870c49b7 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/QM4TW2385913.
Recording identifiers
- ISRC
- QM4TW2385913
- Title
- Left and Right: Petit Allegro 2
- Artist
- Andrew Holdsworth
- CopyrightID (CopyrightChains transaction hash)
0x503c66ec15bc91419afcd58e57cac62f658670a6ca8f34bb2c40dfc2870c49b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:2393402e1e67d51a22f1c1a1081ec073a9950f5a8a0032a505b9a9d0c4d3ebaa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2385913
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Left and Right: Petit Allegro 2 · Machine-readable JSON-LD