スピード

Recording by Hiroko Moriguchi.

Recording identifiers

ISRC
JPKI09225530
CopyrightID (CopyrightChains transaction hash)
0x56d34670d9908f7fa93c19f722e9b5c754e6ce46ae97f859118e37c551449a2b

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:e8afc35b6b4b23185fba3807f95d0ebb0248bc64776b6e8d26f178fff81d5152

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.