Prelude in Classic Style

Recording by Klaas Jan Mulder.

Recording identifiers

ISRC
NLY8X1801826
CopyrightID (CopyrightChains transaction hash)
0x85b424478184540394098d4c0cabb7e292670f159d865db446dd3878c8b4d50c
Copyright registration time
2026-06-22T09:39:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0a60b94bdaa7462bf47ee948fcdb409c4a846b7134b983f5b3e37b6d984cdee2

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.