ISRC GBAYC9401708
Verified recording
GBAYC9401708 is “Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. (c) Variation II” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xc243802a635b385f92f1d1809afce760d596340f07b3c0058ca480d79d0a0caa and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9401708.
Recording identifiers
- ISRC
- GBAYC9401708
- Title
- Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. (c) Variation II
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xc243802a635b385f92f1d1809afce760d596340f07b3c0058ca480d79d0a0caa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b9a010d110e4ce0cdd7b4c52b2b96107d2838ee81843d299e4761199c96b42cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9401708
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. (c) Variation II · Machine-readable JSON-LD