期待と不安

Recording by Michiru Oshima.

Recording identifiers

ISRC
JPD731800568
CopyrightID (CopyrightChains transaction hash)
0x4efed8b51febfc0e6ca7e63b77c3ca63e19a65eeaa5b09c04780e261caa9f6a2
Copyright registration time
2026-06-25T05:55:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:366ab7a9f68434d008f3df3bd8df7978454fc614be336bc0ce46d26aed32c65f

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.