Andante e rondo ungarese in C Minor for Bassoon & Orchestra, Op. 35, J. 158

Recording identifiers

ISRC

USSM16201220

Release date of the album this recording appears on

1980

CopyrightID (CopyrightChains transaction hash)

0x2f3aace809079d3e815a15d1d8840735061b1bc4ba613e78e5b1c4deafbef6f5

Copyright registration time

2026-07-07T03:00:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:6f8269d705e39edb37c6b9d76819a970fae43d8311cb13cb143f5062b46eb64f

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
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• Recording evidence summary for ISRC USSM16201220

What this proof establishes

This recording was released in 1980, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.