タイムリミット

Recording by 井内舞子.

Recording identifiers

ISRC
JPPI00863740
CopyrightID (CopyrightChains transaction hash)
0x50b31713c87cd74cb5aded5b1a26e8b4a5e4643c10e842341d863eaa140e1621
Copyright registration time
2026-07-31T08:36:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19Z
Bitcoin block
960376
Canonical record hash
sha256:9d3656265afcb86aba98cc15ccf1b46e6645612c059be3849d015214a43a4c51

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.