ISRC SEAEF9271080

Verified recording

SEAEF9271080 is “Sonata for Solo Viola, Op. 25 (1922): IV. Rasendes Zeitmass. Wild. Tonschönheit ist Nebensache” by Paul Hindemith, registered on the CopyrightChains blockchain with CopyrightID 0xbf45a4a5bfe7493910ac2137d3f85b96103ba334403053299ccd171c8ff99467 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/SEAEF9271080.

Recording identifiers

ISRC
SEAEF9271080
Title
Sonata for Solo Viola, Op. 25 (1922): IV. Rasendes Zeitmass. Wild. Tonschönheit ist Nebensache
Artist
Paul Hindemith
CopyrightID (CopyrightChains transaction hash)
0xbf45a4a5bfe7493910ac2137d3f85b96103ba334403053299ccd171c8ff99467

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47+00:00
Bitcoin block
960144
Canonical record hash
sha256:71323464886650e9b4a99bec795cf8ca6d34c9debb8d12941584affde624bcde
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEF9271080
Bitcoin block existence check
https://blockstream.info/api/block/960144

Full record

Track page: Sonata for Solo Viola, Op. 25 (1922): IV. Rasendes Zeitmass. Wild. Tonschönheit ist Nebensache · Machine-readable JSON-LD