Knew Him

Recording by Sean C. Johnson.

Recording identifiers

ISRC
QMUQ71500005
CopyrightID (CopyrightChains transaction hash)
0xe696884ebd03051428f370da09ec96287d8eb8017d96539b9273656483d5acd4
Copyright registration time
2026-06-18T02:54:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b98c9a75025ea658ad2fed7571514cd8f2b077cbcf608c216d25c707533d9a39

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.