ISRC US2TL0926806
Verified recording
US2TL0926806 is “String Quartet in F Major, Op. 3, No. 5, Hob.III:17, "Serenade": II. Serenade: Andante cantabile (attrib. to Hoffstetter)” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xb6c738f8320fe4d6fc73445a76a13ddb371332fc98868152125ff31939125f3f and independently timestamped
in Bitcoin block 960314 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0926806.
Recording identifiers
- ISRC
- US2TL0926806
- Title
- String Quartet in F Major, Op. 3, No. 5, Hob.III:17, "Serenade": II. Serenade: Andante cantabile (attrib. to Hoffstetter)
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xb6c738f8320fe4d6fc73445a76a13ddb371332fc98868152125ff31939125f3f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:00:46+00:00
- Bitcoin block
- 960314
- Canonical record hash
sha256:39218363d7af1612de977f53de4c812e2c8d39326a07b0b73ca0a1043d56e177- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0926806
- Bitcoin block existence check
- https://blockstream.info/api/block/960314
Full record
Track page: String Quartet in F Major, Op. 3, No. 5, Hob.III:17, "Serenade": II. Serenade: Andante cantabile (attrib. to Hoffstetter) · Machine-readable JSON-LD