Marche funèbre et chante seraphique

Recording by Klaas Jan Mulder.

Recording identifiers

ISRC
NLY8X1801955
CopyrightID (CopyrightChains transaction hash)
0x31d7698f3fad3359213c28fa15af6434c2fb4d9f4b8b39ae69c1694c8def6b41
Copyright registration time
2026-07-07T15:23:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5bd9e32fdfd04014bbfddb88d032dcb2cab97c66ca87f9f0c61d50059aa02f45

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.