ISRC DEF057530631
Verified recording
DEF057530631 is “Die Fledermaus, Act II: Dialogue. Ah, da ist ja die schöne Unbekannte” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xd81f71baaec7f9e73081918a1f90cafbf6afeed5ad6e44ba3912a677679bab9c and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530631.
Recording identifiers
- ISRC
- DEF057530631
- Title
- Die Fledermaus, Act II: Dialogue. Ah, da ist ja die schöne Unbekannte
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xd81f71baaec7f9e73081918a1f90cafbf6afeed5ad6e44ba3912a677679bab9c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:39df76090d9c3414a0cea04ccc4366be511e7ab8e27e4fad5e1c1d62e36618a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530631
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Die Fledermaus, Act II: Dialogue. Ah, da ist ja die schöne Unbekannte · Machine-readable JSON-LD