ISRC ES71G2308752
Verified recording
ES71G2308752 is “Piano Sonata No. 11 in A Major, K. 331: I. Andante grazioso - Fragment” by Niña Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3c38349188d2f2db161654f310c583803322f44dcf3cdad8b8e693030ccc011c and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2308752.
Recording identifiers
- ISRC
- ES71G2308752
- Title
- Piano Sonata No. 11 in A Major, K. 331: I. Andante grazioso - Fragment
- Artist
- Niña Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3c38349188d2f2db161654f310c583803322f44dcf3cdad8b8e693030ccc011c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:153f2c54f7b664fe2ead45225c16eecdb32446963d3123c7a5caa5e3c2146c56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2308752
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 11 in A Major, K. 331: I. Andante grazioso - Fragment · Machine-readable JSON-LD