ぽつん

Recording by Akiko Yano.

Recording identifiers

ISRC
JPA301100113
CopyrightID (CopyrightChains transaction hash)
0x76bded221848646472a6985b960bf97f52a352035cffa4eaeebd2ef6a89a84ab
Copyright registration time
2026-07-06T05:42:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:c1f6b660ce5620568a9c0bcb56be58666264fcc5b4d59797fd207572b0a3204e

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.