ISRC GBAYC9400883

Verified recording

GBAYC9400883 is “Beethoven: Piano Sonata No. 30 in E Major, Op. 109: III. (e) Variation IV. Etwas langsamer als das Thema” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x8de950f02af062bf65c1d390394e5deeddb4d54ad5918c7e9ac27cb0b7c7a130 and independently timestamped in Bitcoin block 960144 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400883.

Recording identifiers

ISRC
GBAYC9400883
Title
Beethoven: Piano Sonata No. 30 in E Major, Op. 109: III. (e) Variation IV. Etwas langsamer als das Thema
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x8de950f02af062bf65c1d390394e5deeddb4d54ad5918c7e9ac27cb0b7c7a130

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47+00:00
Bitcoin block
960144
Canonical record hash
sha256:351e4d45d291c06418c0e1350da6ff1dbf857c48cdbbe431393ff4b6ef11fcd7
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400883
Bitcoin block existence check
https://blockstream.info/api/block/960144

Full record

Track page: Beethoven: Piano Sonata No. 30 in E Major, Op. 109: III. (e) Variation IV. Etwas langsamer als das Thema · Machine-readable JSON-LD