涙でいいの

Recording by Jun Mayuzumi.

Recording identifiers

ISRC
JPTO09431780
CopyrightID (CopyrightChains transaction hash)
0xb431d2b743c473b4641149c89c6570b7085b5f729b4e1b9f28ab2f7e6a76c1e3
Copyright registration time
2026-07-29T20:52:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:fdd5b0b7742abbd3364a719e32e12755ec0a56ccfa43998e271fbc230bfc1681

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.