ISRC DEF059430312
Verified recording
DEF059430312 is “Die lustige Witwe / Act I: "Also, lieber Graf.." - "Damenwahl! Hört man rufen rings im Saal!"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xc5f409b63fa1134a43f6585a1f404c4fc9da1859aca2880f184a3ad55a0386b8 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430312.
Recording identifiers
- ISRC
- DEF059430312
- Title
- Die lustige Witwe / Act I: "Also, lieber Graf.." - "Damenwahl! Hört man rufen rings im Saal!"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xc5f409b63fa1134a43f6585a1f404c4fc9da1859aca2880f184a3ad55a0386b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:9da52b59153a57e1c80974b394fb4f455bbc44a437ef4bf42098328bd00ba122- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430312
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Die lustige Witwe / Act I: "Also, lieber Graf.." - "Damenwahl! Hört man rufen rings im Saal!" · Machine-readable JSON-LD