ISRC DEF059430321
Verified recording
DEF059430321 is “Die lustige Witwe / Act III: "Also, also, also"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x3eba8e8abea7b6602ea67908b6df55514c5feaf9f29eb891efc130e16e26b99f and independently timestamped
in Bitcoin block 960355 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430321.
Recording identifiers
- ISRC
- DEF059430321
- Title
- Die lustige Witwe / Act III: "Also, also, also"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x3eba8e8abea7b6602ea67908b6df55514c5feaf9f29eb891efc130e16e26b99f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:49:18+00:00
- Bitcoin block
- 960355
- Canonical record hash
sha256:31c0921bafcf9e1317dfb322c9932313c0a61f853d843ea16ff7db98235b504c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430321
- Bitcoin block existence check
- https://blockstream.info/api/block/960355
Full record
Track page: Die lustige Witwe / Act III: "Also, also, also" · Machine-readable JSON-LD