何もいらない

Recording by Taeko Onuki.

Recording identifiers

ISRC
JPCR07700350
CopyrightID (CopyrightChains transaction hash)
0x8eb11663d7de2198dd77d40f0f58f2a565cb3ffb224352f4a305c44a1105a0a1
Copyright registration time
2026-06-04T10:32:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:2266082eda261226afd3e25a2238b6ec91ca1d5f0b2212377bffc9b4f8844d80

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.