The Coil Tightens

Recording by 祖堅 正慶.

Recording identifiers

ISRC
JPA841500409
CopyrightID (CopyrightChains transaction hash)
0x711531fcefac159d8d200814f773ca5cdc689e2ec16c6c9ef7163a7892c5cf55
Copyright registration time
2026-06-18T14:46:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fc000483ab2559b327ce58e4f9ff988173ca4e35e64296ab06845159db6d133d

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.