失敗学

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPPO02003999
CopyrightID (CopyrightChains transaction hash)
0x23ff809baba7f31d037775d8deb2b8d1a280a0cfc9470f2ba49bdd31d192900c
Copyright registration time
2026-06-10T03:00:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:290bf469a877987b8e07bbdce26805691732866c3c1c870ffdd1a723aeb1f376

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.