ISRC DEF057530607
Verified recording
DEF057530607 is “Die Fledermaus, Act II: No. 7, Couplet. Ich lade gern mir Gäste ein” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xd766ddd0292ef95d5654bd638a9b1d27db42be6d719581b379b40c16436b5474 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530607.
Recording identifiers
- ISRC
- DEF057530607
- Title
- Die Fledermaus, Act II: No. 7, Couplet. Ich lade gern mir Gäste ein
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xd766ddd0292ef95d5654bd638a9b1d27db42be6d719581b379b40c16436b5474
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f8e618fa9ce02f93c7cafa9d23203a34d8f813fc9e8eeb2d0ec7bc94949345c4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530607
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Die Fledermaus, Act II: No. 7, Couplet. Ich lade gern mir Gäste ein · Machine-readable JSON-LD