ISRC GBF077812851
Verified recording
GBF077812851 is “Piano Sonata No. 13 in A Major, D. 664: 1. Allegro moderato” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x433d163e9a420fadca4a0f944ab82f04207c8c34b5e73318832e40d1f27eac8b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077812851.
Recording identifiers
- ISRC
- GBF077812851
- Title
- Piano Sonata No. 13 in A Major, D. 664: 1. Allegro moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x433d163e9a420fadca4a0f944ab82f04207c8c34b5e73318832e40d1f27eac8b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:be25b5e5b4d08e11b21ed9436211be3848262df40695ff1e848653525499db5d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077812851
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 13 in A Major, D. 664: 1. Allegro moderato · Machine-readable JSON-LD