ISRC NLY331305816
Verified recording
NLY331305816 is “Martha, Act 1: Recitative and Duet "Teure Lady!" - "Von den edlen Kavalieren" (Nancy, Lady)” by Friedrich von Flotow,
registered on the CopyrightChains blockchain with CopyrightID
0x433ef8d2af494a4e86219e61db04f1812bb801919b5727d203a573c1d163a549 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331305816.
Recording identifiers
- ISRC
- NLY331305816
- Title
- Martha, Act 1: Recitative and Duet "Teure Lady!" - "Von den edlen Kavalieren" (Nancy, Lady)
- Artist
- Friedrich von Flotow
- CopyrightID (CopyrightChains transaction hash)
0x433ef8d2af494a4e86219e61db04f1812bb801919b5727d203a573c1d163a549
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:29763de3438ccbb62b30bd6c9e4dff718e11177b7499789af18c2f4c02e610d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331305816
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Martha, Act 1: Recitative and Duet "Teure Lady!" - "Von den edlen Kavalieren" (Nancy, Lady) · Machine-readable JSON-LD