ISRC HKI199925405
Verified recording
HKI199925405 is “Fidelio, Op. 72, Act I: Dialogue: Marzelline? Marzelline? (Rocco, Marzelline, Jaquino, Leonore)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x29aa131f411b99bb9244d16b91d1358ff60cf3b1ffd9e9030004a495dfaf0331 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925405.
Recording identifiers
- ISRC
- HKI199925405
- Title
- Fidelio, Op. 72, Act I: Dialogue: Marzelline? Marzelline? (Rocco, Marzelline, Jaquino, Leonore)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x29aa131f411b99bb9244d16b91d1358ff60cf3b1ffd9e9030004a495dfaf0331
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:a9d2598cf4b8c4d9ac18e7c1e67f08c4bec49162f7d96dc8b03cc5b4a2932094- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925405
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Fidelio, Op. 72, Act I: Dialogue: Marzelline? Marzelline? (Rocco, Marzelline, Jaquino, Leonore) · Machine-readable JSON-LD