ISRC GBAYC9403253
Verified recording
GBAYC9403253 is “Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. Poco adagio, cantabile (Excerpt)” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x30249db28bf911006443b4cf0367501065b2ac2b749a4d032da5a257dff45ffe 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/GBAYC9403253.
Recording identifiers
- ISRC
- GBAYC9403253
- Title
- Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. Poco adagio, cantabile (Excerpt)
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x30249db28bf911006443b4cf0367501065b2ac2b749a4d032da5a257dff45ffe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ed2dfabab4154e6474a5f261526ceacfa5ba93b12b5357f884dc8fe0fdbd7e26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9403253
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. Poco adagio, cantabile (Excerpt) · Machine-readable JSON-LD