ISRC HKI199252201
Verified recording
HKI199252201 is “String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x3c83b01f5ea40fcbabc8a04942458affaef094b7fb70b8d990798b3f959d15c3 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/HKI199252201.
Recording identifiers
- ISRC
- HKI199252201
- Title
- String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x3c83b01f5ea40fcbabc8a04942458affaef094b7fb70b8d990798b3f959d15c3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:82302da80434e624f8ac1969d7d6f2189213851acf35b3b083a0e8e9a7f21a33- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199252201
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": I. Allegro moderato · Machine-readable JSON-LD