Butterfly

Recording by Edvard Grieg.

Recording identifiers

ISRC
NZOD01000026
CopyrightID (CopyrightChains transaction hash)
0xdf96aa4f77bec8d25955abd11157eec5bf35177180901d1ce6d2c2b70a75c404
Copyright registration time
2026-07-07T02:52:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:83a97615da03662e89a8b32167634f63fe336f4171c80cdfad0bd7bdfc0c608b

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.