ISRC GBLWD1600810
Verified recording
GBLWD1600810 is “String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": II. Poco adagio. Cantabile” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x09639d99041e7af0d71a152efc604da4fe9a5c35861d07e8b58c91f91afdab90 and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600810.
Recording identifiers
- ISRC
- GBLWD1600810
- Title
- String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": II. Poco adagio. Cantabile
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x09639d99041e7af0d71a152efc604da4fe9a5c35861d07e8b58c91f91afdab90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:0dfb2b53d7edd30e4c1b623a2d4997ad7e916a590cead4a78cf8ed539507400c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600810
- Bitcoin block existence check
- https://blockstream.info/api/block/960163
Full record
Track page: String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": II. Poco adagio. Cantabile · Machine-readable JSON-LD