暗雲の中へ

Recording by 芳賀 敬太.

Recording identifiers

ISRC
JPE301900445
CopyrightID (CopyrightChains transaction hash)
0xf5fc678610fd42cfc80c401f716026dd04f1ef8bf9814f5d8fa0a35fa2e61cf4
Copyright registration time
2026-07-07T05:23:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:511303bbceff47cd589ae4b3850d38ccfcbef144874c2a1116447d5580ca1454

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.