ともだち以上

Recording by 小松未歩.

Recording identifiers

ISRC
JPF500101610
CopyrightID (CopyrightChains transaction hash)
0xa401e8ca8e4f28df35296b5a2e4c9ee50d487bdfe5b726fc302573cbcc91f504
Copyright registration time
2026-07-06T20:39:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cc29aa778278cdea6a16ad07d1a314f284da1540ad817ead1cb36e6b1e44dc2d

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.