憂世

Recording by Takao Horiuchi.

Recording identifiers

ISRC
JPTO08830130
CopyrightID (CopyrightChains transaction hash)
0x9c70d2244dc3d49810d74e89858bee7a50ac82207d266cc565f74540179f1955
Copyright registration time
2026-07-30T07:21:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:51:46Z
Bitcoin block
960223
Canonical record hash
sha256:1683fb6ef202af05558612f3f8d240336db04287547d08418e1fd2b8be28a6a9

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.