ISRC NLA508901811
Verified recording
NLA508901811 is “Die Fledermaus / Act 1: "Nein, nein, ich zweifle gar nicht mehr"” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xdbfc8a2e7c7e65c3e5ecd7c298a8374a1f21129677d0682a308f1acaa1554794 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508901811.
Recording identifiers
- ISRC
- NLA508901811
- Title
- Die Fledermaus / Act 1: "Nein, nein, ich zweifle gar nicht mehr"
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xdbfc8a2e7c7e65c3e5ecd7c298a8374a1f21129677d0682a308f1acaa1554794
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:31235f1442bc57f258597d053d38c6b6fa38fdce784de5f7138d3b9ba5c65303- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508901811
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Die Fledermaus / Act 1: "Nein, nein, ich zweifle gar nicht mehr" · Machine-readable JSON-LD