12 Etudes, Op. 25: No. 1 In A Flat Major - "Harp Study"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBF071440301
CopyrightID (CopyrightChains transaction hash)
0x823af7e8885eb2774fb2f27b541c71a52496d635e607cebff92f70ec6daba077
Copyright registration time
2026-06-18T14:49:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:07d8bd10bd40e2d87ec64c2a83b8a9adc93904765dbae96f17a4b5236891b8cd

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.