ISRC HKI199925410
Verified recording
HKI199925410 is “Fidelio, Op. 72, Act I: Terzetto. Gut Sohnchen, gut (Rocco, Leonore, Marzelline)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x9f14bb8c9a2e6ff18d2d8ca72249e25b23ee887c36e54a9137e0c5919da89487 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925410.
Recording identifiers
- ISRC
- HKI199925410
- Title
- Fidelio, Op. 72, Act I: Terzetto. Gut Sohnchen, gut (Rocco, Leonore, Marzelline)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x9f14bb8c9a2e6ff18d2d8ca72249e25b23ee887c36e54a9137e0c5919da89487
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e6ce0617008c8ab2b55a44f4dd1b207d7df1dc404cf0d5cc6c2bd40a66107865- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199925410
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Fidelio, Op. 72, Act I: Terzetto. Gut Sohnchen, gut (Rocco, Leonore, Marzelline) · Machine-readable JSON-LD