いちょう

Recording by Yusuke.

Recording identifiers

ISRC
JPSR00902921
CopyrightID (CopyrightChains transaction hash)
0x4f242a5ecfec0d2283c5cfe40fbfc55b9e2a721784c991db5b6b8aca92ff1227
Copyright registration time
2026-06-07T02:06:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:94caddd83c8d898fdfde08ebd0fd00ef22f0ded104de50c97b0ccff180ed305d

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.