ISRC ATMA40501557

Verified recording

ATMA40501557 is “Sonata for Bassoon and Violoncello in B-Flat Major, K. 292: II. Andante” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0xa915155cbc4d076d9bd6c628c0147b55c4624ec77a9284f3f0251ec9676f2320 and independently timestamped in Bitcoin block 960311 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATMA40501557.

Recording identifiers

ISRC
ATMA40501557
Title
Sonata for Bassoon and Violoncello in B-Flat Major, K. 292: II. Andante
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0xa915155cbc4d076d9bd6c628c0147b55c4624ec77a9284f3f0251ec9676f2320

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T20:45:02+00:00
Bitcoin block
960311
Canonical record hash
sha256:25479748a736ac52bed7f7de54d367cf444916f565e8adb76907c157678748bd
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATMA40501557
Bitcoin block existence check
https://blockstream.info/api/block/960311

Full record

Track page: Sonata for Bassoon and Violoncello in B-Flat Major, K. 292: II. Andante · Machine-readable JSON-LD