ISRC HKI199252203
Verified recording
HKI199252203 is “String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": III. Adagio ma non troppo” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x062c0c232274ec1955a7d003cac034db43f9b62ba0a438b0c8d93a94d437a36b 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/HKI199252203.
Recording identifiers
- ISRC
- HKI199252203
- Title
- String Quartet No. 32 in C Major, Op. 33, No. 3, Hob.III:39, "The Bird": III. Adagio ma non troppo
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x062c0c232274ec1955a7d003cac034db43f9b62ba0a438b0c8d93a94d437a36b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:050d49286a1fa24d102ce3fb3bf7e60ffa8824e650363f6f66f0e06ccef78f01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199252203
- 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": III. Adagio ma non troppo · Machine-readable JSON-LD