ISRC DER410990166
Verified recording
DER410990166 is “Fidelio, Op. 72, Act I: "O welche Lust" (Prisoners' Chorus)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x1797acf5ab07e210890641eeb7b10b401deecdb533d9954716c6099fe3d3d9b7 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER410990166.
Recording identifiers
- ISRC
- DER410990166
- Title
- Fidelio, Op. 72, Act I: "O welche Lust" (Prisoners' Chorus)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x1797acf5ab07e210890641eeb7b10b401deecdb533d9954716c6099fe3d3d9b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:b2cdd33829e36aa213ae32798b3c01e47e7cfa2105751743979ce684bbdff4be- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER410990166
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Fidelio, Op. 72, Act I: "O welche Lust" (Prisoners' Chorus) · Machine-readable JSON-LD