Complicated Family

Recording by Masaru Yokoyama.

Recording identifiers

ISRC
JPI802300103
CopyrightID (CopyrightChains transaction hash)
0x60e16e07c93363c2a657ae34cee5c9c14b4bb686db1613bcf91dc9147a57a554
Copyright registration time
2026-07-06T19:46:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:805f93a382c64e2cffc5d200c8446e069affc785ff4b090be818e41e702ce4be

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.