Intermezzo in F

Recording by Marjolein de Wit.

Recording identifiers

ISRC
NLG620594305
CopyrightID (CopyrightChains transaction hash)
0x23beb636ad15288d5ed18d2452942ed7c884f81c92ea2883af3d242de75f9d17
Copyright registration time
2026-07-07T11:29:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:96aededee8140aee023f9473735bfb05e575941542a3b7d359ea51248a7a9e77

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.