ISRC GBAYC9401707
Verified recording
GBAYC9401707 is “Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. (b) Variation I” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x7f96d6bcdc34c904828c7e6192c37db455e765d9ddee6707d5d674b200bacbef 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/GBAYC9401707.
Recording identifiers
- ISRC
- GBAYC9401707
- Title
- Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. (b) Variation I
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x7f96d6bcdc34c904828c7e6192c37db455e765d9ddee6707d5d674b200bacbef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7dcfd6ac37728734dc8cde8ebcbc5d2187fab8a283c03c7d2f53a64989b064f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9401707
- 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. (b) Variation I · Machine-readable JSON-LD