ISRC DEF066307600
Verified recording
DEF066307600 is “Die Fledermaus: Mein Herr Marquis” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xf6e67255d69beb9e5e6cb28b3c42e73ae8e2e3dfb386c9bba632f9579c3b88b4 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066307600.
Recording identifiers
- ISRC
- DEF066307600
- Title
- Die Fledermaus: Mein Herr Marquis
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xf6e67255d69beb9e5e6cb28b3c42e73ae8e2e3dfb386c9bba632f9579c3b88b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1116eef83d0159e655412725e2bb240ff08fcd9262fcb71878499bf15b8a78cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066307600
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die Fledermaus: Mein Herr Marquis · Machine-readable JSON-LD