John Brown's Body

Recording by Christelijk Mannenkoor "Eiland Urk".

Recording identifiers

ISRC
NL6DL2100060
CopyrightID (CopyrightChains transaction hash)
0x898a509003a8b548a837e03f3a6a0d257b06d9c2a36061aa301e30d14761bc7e
Copyright registration time
2026-07-06T02:18:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:fd26dcd345f8ad7150c6d53495e9fc889d3868013b76a590300e13193bf0964e

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.