Lyric Pieces, Op. 43: I. Butterfly

Recording by Edvard Grieg.

Recording identifiers

ISRC
QMDA62165695
CopyrightID (CopyrightChains transaction hash)
0x6d32ba38855b89b1859a05ae6654d059e7c48da6b425abca7c09bdadbee5ee0c
Copyright registration time
2026-01-28T20:03:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:495c440dcb2af56b1e9fd94193c086056c0c102c0449d417f7f3a6b068ff4e65

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.