ISRC HKI199252812
Verified recording
HKI199252812 is “String Quartet No. 62 in C Major, Op. 76, No. 3, Hob.III:77, "Emperor": IV. Finale: Presto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x2fb1a9aa223f6a47bcc18955363e0148061e5ecf114671575d528df454336870 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/HKI199252812.
Recording identifiers
- ISRC
- HKI199252812
- Title
- String Quartet No. 62 in C Major, Op. 76, No. 3, Hob.III:77, "Emperor": IV. Finale: Presto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x2fb1a9aa223f6a47bcc18955363e0148061e5ecf114671575d528df454336870
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:d6bdcb0406cf109103d60c484956cd03f104e6018f05867336fe5773badf93ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199252812
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 62 in C Major, Op. 76, No. 3, Hob.III:77, "Emperor": IV. Finale: Presto · Machine-readable JSON-LD