ISRC GBAYC9303120

Verified recording

GBAYC9303120 is “Haydn: Mass in C Major, Hob. XXII:5 "Sanctæ Cæciliæ": Kyrie I” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xc0feecd19bd2f22022d36d710a9cdc60cbd6decd77b2190f20157a816723c3fc and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303120.

Recording identifiers

ISRC
GBAYC9303120
Title
Haydn: Mass in C Major, Hob. XXII:5 "Sanctæ Cæciliæ": Kyrie I
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xc0feecd19bd2f22022d36d710a9cdc60cbd6decd77b2190f20157a816723c3fc

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:51b2172d454f7c91a8bd77a5d314e04a78ccbef1ad9910846cc47fd46fd17d67
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9303120
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Haydn: Mass in C Major, Hob. XXII:5 "Sanctæ Cæciliæ": Kyrie I · Machine-readable JSON-LD