ISRC HKI199925406
Verified recording
HKI199925406 is “Fidelio, Op. 72, Act I: Quartet: Mir ist so wunderbar (Marzelline, Leonore, Rocco, Jaquino)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x9bcbf5a4f2156fa589683ad70855550b3216928068f2b56d00c4462be88c516d 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/HKI199925406.
Recording identifiers
- ISRC
- HKI199925406
- Title
- Fidelio, Op. 72, Act I: Quartet: Mir ist so wunderbar (Marzelline, Leonore, Rocco, Jaquino)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x9bcbf5a4f2156fa589683ad70855550b3216928068f2b56d00c4462be88c516d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:21caf55e0838a76fbf0f1f32bb8ac01ba947162be0530f47819ecf623673d81a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925406
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Fidelio, Op. 72, Act I: Quartet: Mir ist so wunderbar (Marzelline, Leonore, Rocco, Jaquino) · Machine-readable JSON-LD