ISRC QMDA62258288
Verified recording
QMDA62258288 is “The Sound of Music Ländler - Waltz” by Andrew Holdsworth,
registered on the CopyrightChains blockchain with CopyrightID
0x4cd4c40ed39b8a31791d03bcc65a330719fbc6931fb693f5585b25444fc33ecd and independently timestamped
in Bitcoin block 960276 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62258288.
Recording identifiers
- ISRC
- QMDA62258288
- Title
- The Sound of Music Ländler - Waltz
- Artist
- Andrew Holdsworth
- CopyrightID (CopyrightChains transaction hash)
0x4cd4c40ed39b8a31791d03bcc65a330719fbc6931fb693f5585b25444fc33ecd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:01:17+00:00
- Bitcoin block
- 960276
- Canonical record hash
sha256:cfcf024ca9b76747aaa1c54f94c3746484266e7f925ddff314e94b89ff88a2dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62258288
- Bitcoin block existence check
- https://blockstream.info/api/block/960276
Full record
Track page: The Sound of Music Ländler - Waltz · Machine-readable JSON-LD