March of the 9th Lancers Regiment

Recording by F. van Laer.

Recording identifiers

ISRC
NLC350310118
CopyrightID (CopyrightChains transaction hash)
0x5d4f0901d07dde56d3ace221e78b42e409c5c018274dad5123516685d5005722
Copyright registration time
2026-07-07T18:26:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:de45406835350588009f743a5b904bb36ac3952ffdfd7a174e7719a76f43504c

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.