off-site

Recording by 蓮沼執太フィル.

Recording identifiers

ISRC
JPCO01815770
CopyrightID (CopyrightChains transaction hash)
0x2a2855b3e68a1d30a7308599db4347f0b0cd6010134b6b3fb6d47bbfb2fd878a
Copyright registration time
2026-07-06T21:40:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0aa3e047fb0e36c715d52a87272e9f3798cc0f884373b78c68b2c0b8badb0b0b

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.