ISRC QMBZ91713317
Verified recording
QMBZ91713317 is “Monologue No. 17 for Violoncello "On a Swedish Folk tune": I. Andante Semplice” by Erland von Koch,
registered on the CopyrightChains blockchain with CopyrightID
0xefbd59a96ed01a7337744952972ab1165aca51064669cbab73c194147e416412 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91713317.
Recording identifiers
- ISRC
- QMBZ91713317
- Title
- Monologue No. 17 for Violoncello "On a Swedish Folk tune": I. Andante Semplice
- Artist
- Erland von Koch
- CopyrightID (CopyrightChains transaction hash)
0xefbd59a96ed01a7337744952972ab1165aca51064669cbab73c194147e416412
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:446edcc805b564bd398c0e0681caf6eaa2d99628028ad48c9bb3e0642066b78b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91713317
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Monologue No. 17 for Violoncello "On a Swedish Folk tune": I. Andante Semplice · Machine-readable JSON-LD