Thicker than a Knife's Blade

Recording by 祖堅 正慶.

Recording identifiers

ISRC
JPA841500388
CopyrightID (CopyrightChains transaction hash)
0x89fe8b844942608cc0821fd6a1c812df3e2a850dc27f2450ebfb33a325de5c7a
Copyright registration time
2026-06-10T16:31:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b5ab83b6361ab6c52bcbd23d8083a159a152c4e6a372a948c8e2691d73841b4d

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.