曖昧

Recording by 宮川大聖.

Recording identifiers

ISRC
JPWP02270343
CopyrightID (CopyrightChains transaction hash)
0xb267aa8e35fad86fb8bcc62da40b43c9280bbe83d8ca6243e84f0207c4d3f9ec
Copyright registration time
2026-06-18T03:38:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f709374314c8be80275d2fd47ed76b2fa55762e123e5e92d77b69bbc27527e66

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.