口から木綿

Recording by 友川かずき.

Recording identifiers

ISRC
JPKI08075726
CopyrightID (CopyrightChains transaction hash)
0x31136d4e342233e0f902d7251b688134df206bf15eeafea9e92e6b6eeed9806c
Copyright registration time
2026-07-07T08:55:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:be4a44d7a815c9428853132ca7c8fec691d94c2443c52b57a1b2a4af6e58a016

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.