知りたくないの

Recording by Jun Mayuzumi.

Recording identifiers

ISRC
JPTO09700890
CopyrightID (CopyrightChains transaction hash)
0xc8f41f625b9c43d070554dce75855b67b5b4fc30f3965a556af5a2fea29f2ec0

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:1cc64a64669895e038d89752d58ba651e60c8a69b9a4178dac5f6288d2b2cd75

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.