さよならを言えたかな

Recording by クレナズム.

Recording identifiers

ISRC
JPP302300066
CopyrightID (CopyrightChains transaction hash)
0x1e72ed92ab99bce93a0aadcf815d72e5fb75d65ede3fe0d85c35cf42601809d7
Copyright registration time
2026-06-07T15:52:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:75f095d7394c5467a530cd02f5df700b9c036facffc7b0638ff1b239ec466064

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.