ISRC DEF056703131

Verified recording

DEF056703131 is “Sonata For Arpeggione And Piano In A Minor, D. 821: 1. Allegro moderato” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0x1f87c476cbc6e32ccc320ffb4d2bba596e9d26b41906472f0ca996e5f12b3694 and independently timestamped in Bitcoin block 960258 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056703131.

Recording identifiers

ISRC
DEF056703131
Title
Sonata For Arpeggione And Piano In A Minor, D. 821: 1. Allegro moderato
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0x1f87c476cbc6e32ccc320ffb4d2bba596e9d26b41906472f0ca996e5f12b3694

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34+00:00
Bitcoin block
960258
Canonical record hash
sha256:859a6a723ed3d8c909e502f5aa62e7ae6d4c34727c8ee1e8d6f4399f24aeb1a8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056703131
Bitcoin block existence check
https://blockstream.info/api/block/960258

Full record

Track page: Sonata For Arpeggione And Piano In A Minor, D. 821: 1. Allegro moderato · Machine-readable JSON-LD