愁傷

Recording by 藤間 仁.

Recording identifiers

ISRC
JPI101900254
CopyrightID (CopyrightChains transaction hash)
0x9e45a61a41f137b51aeaa00647442b83d6cd2c2a43b8359663e94b4ea96a4518

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:16:15Z
Bitcoin block
960175
Canonical record hash
sha256:c81bc6c50acac5d9aeb85a80e281e3c9df24fea3d0b1991c06a181ca0018691e

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.