Co'mon

Recording by Yasuyuki Okamura.

Recording identifiers

ISRC
JPB621105845
CopyrightID (CopyrightChains transaction hash)
0x589e3972cfde947b3e29e1197fa3cf9fdc3ce750f34fc82760a59fd8afc4cfa3
Copyright registration time
2026-07-06T19:54:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2fb80e39b16a277410c87bdd5c12fb5ac8c52b61e437b5e4eaf6493c11d67125

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.