Getting Worse

Recording by 成田旬.

Recording identifiers

ISRC
JPPC02311873
CopyrightID (CopyrightChains transaction hash)
0x8d4df3c49de1f801be0ea5349bf7a887e365cb53a3ad19c8cd90143f787cc699
Copyright registration time
2026-07-31T03:25:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:d9d953ea185fe23c412c917d558e96f34b747048b275f71b55397bcbfb6441f5

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.