ISRC FRZ299502070
Verified recording
FRZ299502070 is “Die fledermaus: Ouverture” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xed820b8041766756983875663fdfb163da03b8b57709fddb4c9e1030b496344c and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299502070.
Recording identifiers
- ISRC
- FRZ299502070
- Title
- Die fledermaus: Ouverture
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xed820b8041766756983875663fdfb163da03b8b57709fddb4c9e1030b496344c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:bfea815d2b376ef5210f386e791c93b4e5ee65e6e68ffc49868646d621ae68cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299502070
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Die fledermaus: Ouverture · Machine-readable JSON-LD