ISRC DEN961002570
Verified recording
DEN961002570 is “Die Lustige Witwe / Akt 2: Introduktion, Tanz und Vilja-Lied "Es lebe eine Vilja"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x76a892b344d06f2c331b1103d3a8b059c0357245038d466083c128a7455fd6a0 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961002570.
Recording identifiers
- ISRC
- DEN961002570
- Title
- Die Lustige Witwe / Akt 2: Introduktion, Tanz und Vilja-Lied "Es lebe eine Vilja"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x76a892b344d06f2c331b1103d3a8b059c0357245038d466083c128a7455fd6a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:2044ec0ac44233680814a5780a3c87daf0d92c1c6be12844a561d17da13952f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961002570
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Die Lustige Witwe / Akt 2: Introduktion, Tanz und Vilja-Lied "Es lebe eine Vilja" · Machine-readable JSON-LD