ISRC GBLWD1702214

Verified recording

GBLWD1702214 is “Sonata No. 36 in C Major, Hob. XVI:21: II. Adagio” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xaa971ab8a91494fbdec358bfa772b6424205b0c5744f029c978c42860b54f22a and independently timestamped in Bitcoin block 960397 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1702214.

Recording identifiers

ISRC
GBLWD1702214
Title
Sonata No. 36 in C Major, Hob. XVI:21: II. Adagio
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xaa971ab8a91494fbdec358bfa772b6424205b0c5744f029c978c42860b54f22a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41+00:00
Bitcoin block
960397
Canonical record hash
sha256:271de5daaa46d45cc43e5615bcb00f20afe21bb6412991c2f39973afe4a7f00b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1702214
Bitcoin block existence check
https://blockstream.info/api/block/960397

Full record

Track page: Sonata No. 36 in C Major, Hob. XVI:21: II. Adagio · Machine-readable JSON-LD