やだ

Recording by Maiko Nakamura.

Recording identifiers

ISRC
JPVI01708460
CopyrightID (CopyrightChains transaction hash)
0x21294dd931492b719857913a34e5174c3a45d75a84aea27d63919c287c4ec08c
Copyright registration time
2026-07-06T10:46:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:73521d323462ccea48f6a62913e2fa814c73d571232dbb3765363baadbd7f4d4

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.