An Ordinary Face

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPTK01411330
CopyrightID (CopyrightChains transaction hash)
0x559df7cc33fe4b1882267f16aaafb1d6b81edb7615fb7d3dbb075d823c4d0b38
Copyright registration time
2026-06-08T04:36:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c8234209a5391c70b2faa56c8d2e7cb51b8b5fae663204c5e4666875cf36dcf1

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.