ISRC RUB401200001
Verified recording
RUB401200001 is “String Quartet No. 3 in C Major, Op.76, Hob. III:77 "Emperor": I. Allegro” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x1b9944ced38fceb396c9fef9e0da5c6fcb0bc599e08f8a027c8c3e251ac0a672 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUB401200001.
Recording identifiers
- ISRC
- RUB401200001
- Title
- String Quartet No. 3 in C Major, Op.76, Hob. III:77 "Emperor": I. Allegro
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x1b9944ced38fceb396c9fef9e0da5c6fcb0bc599e08f8a027c8c3e251ac0a672
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3e500ca3594533020e4a3fc58bbf0cdd10753411e1db936254eec5b8bf13fd7c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUB401200001
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 3 in C Major, Op.76, Hob. III:77 "Emperor": I. Allegro · Machine-readable JSON-LD