悲哀

Recording by 藤間 仁.

Recording identifiers

ISRC
JPI102102473
CopyrightID (CopyrightChains transaction hash)
0xcb0bba701766895776242e7a2172c1a4bccade862de470e21d5a0db9bd0e0cc0
Copyright registration time
2026-06-10T05:32:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:880990d48c5b9322ec76a80295db854a87398299b0d437153fad62f5858eeafa

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.