ISRC QMZ621600236
Verified recording
QMZ621600236 is “Venezuelan Waltz No. 3 - Arr. for Two Guitars by Bradley Kunda and Matt Withers” by Antonio Lauro,
registered on the CopyrightChains blockchain with CopyrightID
0xeaa6b972e17d3ee922ce4bee16c20b002a66fcc6876a61c8cd0c6f0db1c43e53 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621600236.
Recording identifiers
- ISRC
- QMZ621600236
- Title
- Venezuelan Waltz No. 3 - Arr. for Two Guitars by Bradley Kunda and Matt Withers
- Artist
- Antonio Lauro
- CopyrightID (CopyrightChains transaction hash)
0xeaa6b972e17d3ee922ce4bee16c20b002a66fcc6876a61c8cd0c6f0db1c43e53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:540d37be0be09af40aa38adf204edded282fe82e9645ae3f7d2afbd178b1d7fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621600236
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Venezuelan Waltz No. 3 - Arr. for Two Guitars by Bradley Kunda and Matt Withers · Machine-readable JSON-LD