だれかに会えるなら

Recording by 開歌-かいか-.

Recording identifiers

ISRC
JPE872204322
CopyrightID (CopyrightChains transaction hash)
0xc9c6fe1aa806b13e2856172978e4b8d26bceda50a447e68f5a133febb9b5a207
Copyright registration time
2026-07-31T10:02:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10Z
Bitcoin block
960389
Canonical record hash
sha256:bb317292078b5904d93d2e2b692abe413a500802a7a51949d2ba15da57c1af50

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.