反復

Recording by 友部正人.

Recording identifiers

ISRC
JPCR09215550
CopyrightID (CopyrightChains transaction hash)
0x92990d38a4309f19127906f790572c4c95ec3d27cf4a023d681f9c011d91c721
Copyright registration time
2026-07-22T13:25:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T13:34:27Z
Bitcoin block
959134
Canonical record hash
sha256:2579502ca150220776f792e9ad89713aedd13b247a1525aa326e518296535884

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.