ISRC HKI199252810
Verified recording
HKI199252810 is “String Quartet No. 62 in C Major, Op. 76, No. 3, Hob.III:77, "Emperor": II. Poco adagio, cantabile” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xfc39dd819868cc9e2bff529b3df0d0e49a9b3eb25f54d998ff5a1ec10e272d82 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/HKI199252810.
Recording identifiers
- ISRC
- HKI199252810
- Title
- String Quartet No. 62 in C Major, Op. 76, No. 3, Hob.III:77, "Emperor": II. Poco adagio, cantabile
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xfc39dd819868cc9e2bff529b3df0d0e49a9b3eb25f54d998ff5a1ec10e272d82
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5ea69b31fea7b2958541090f6245b431c329b68331d9de5b51812ad7d2e24182- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199252810
- 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": II. Poco adagio, cantabile · Machine-readable JSON-LD