ありふれたメロディー

Recording by 芳賀 敬太.

Recording identifiers

ISRC
JPE301900437
CopyrightID (CopyrightChains transaction hash)
0x69e519f30147c186263bbeebb60777d3e752b1839c67e9d748a86f8983e982f2
Copyright registration time
2026-06-28T01:23:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-16T23:51:48Z
Bitcoin block
956375
Canonical record hash
sha256:4b10df65299209ee0fdc6ffee3613d6d6a602e8cf1104d6baa8a310fadd37684

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.