Variations on Balkan, Op. 60: III. Allegro ma non troppo

Recording by Amy Beach.

Recording identifiers

ISRC
USA220810360
CopyrightID (CopyrightChains transaction hash)
0x211e22adf9a01748eec5881d20bd1834071d160ebcf6678119898b1f01cd5174
Copyright registration time
2026-07-06T18:36:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:471e9969b1ede20511377498d58761a3502d6c4cc699d14c26a84c0202b13820

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.