Speed

Recording by Yurufuwa Gang.

Recording identifiers

ISRC
JPJ901805230
CopyrightID (CopyrightChains transaction hash)
0x8eea8a982d16d563a5a6f0c26ed41d06857dd90d5d9f8861fb1b8bd1c2202fe6
Copyright registration time
2026-06-23T16:36:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ebccde0148524453b881d16b349ca476731ce27c670669b9155e44f939e39b30

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.