ISRC HKI199925417
Verified recording
HKI199925417 is “Fidelio, Op. 72, Act I: Dialogue: Marzelline! Marzelline!! (Jaquino, Marzelline, Rocco, Leonore)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xda7da5653f100db2098ef7ba9105908b17e024aa111f4473f554f307ce2c9d2a 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/HKI199925417.
Recording identifiers
- ISRC
- HKI199925417
- Title
- Fidelio, Op. 72, Act I: Dialogue: Marzelline! Marzelline!! (Jaquino, Marzelline, Rocco, Leonore)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xda7da5653f100db2098ef7ba9105908b17e024aa111f4473f554f307ce2c9d2a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1526e6e53175a1b8221b3c6a9c716f93cc4303b9455b8f6732f230ccb19a2922- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925417
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Fidelio, Op. 72, Act I: Dialogue: Marzelline! Marzelline!! (Jaquino, Marzelline, Rocco, Leonore) · Machine-readable JSON-LD