すうじのうた

Recording by 米澤円.

Recording identifiers

ISRC
JPKI02312521
CopyrightID (CopyrightChains transaction hash)
0xafad1d97ebd9b33c98c95241a18708b6fed9be6bf2aa1e5ebac97c5f7e689d3d
Copyright registration time
2026-07-06T18:10:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-14T18:13:17Z
Bitcoin block
958041
Canonical record hash
sha256:dd351183f4dd017285429ad30b1f0d3dd5cd489a6c93746bae95205075c5b194

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.