ISRC HKI199252202
Verified recording
HKI199252202 is “String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": II. Scherzo: Allegretto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x27c28b43bfe78b99ec0391db85e5aa9986b20976d78bbe22cbc34c37cd5a8b07 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/HKI199252202.
Recording identifiers
- ISRC
- HKI199252202
- Title
- String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": II. Scherzo: Allegretto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x27c28b43bfe78b99ec0391db85e5aa9986b20976d78bbe22cbc34c37cd5a8b07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:21c05689d1bfa178396c74e70f30af9fe4f371f7842f4e97a44cffbb5583152e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199252202
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": II. Scherzo: Allegretto · Machine-readable JSON-LD