ISRC NLA508901826

Verified recording

NLA508901826 is “Die Fledermaus / Act 3: Finale: "O Fledermaus, o Fledermaus"” by Johann Strauss II, registered on the CopyrightChains blockchain with CopyrightID 0x766b5f68e44e10642d5b96ae9b9b866f8ba4dd1fd961c0f5e3b47730e5ee2023 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/NLA508901826.

Recording identifiers

ISRC
NLA508901826
Title
Die Fledermaus / Act 3: Finale: "O Fledermaus, o Fledermaus"
Artist
Johann Strauss II
CopyrightID (CopyrightChains transaction hash)
0x766b5f68e44e10642d5b96ae9b9b866f8ba4dd1fd961c0f5e3b47730e5ee2023

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:065edfd7c353d6cfa8d11deea3421ef130839c8d62b1cad90cc19dd184aece91
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508901826
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Die Fledermaus / Act 3: Finale: "O Fledermaus, o Fledermaus" · Machine-readable JSON-LD