Big-boned

Recording by 祖堅 正慶.

Recording identifiers

ISRC
JPA841500375
CopyrightID (CopyrightChains transaction hash)
0x5a3cef208e66abe869033cb7d1eae90b766c638e6f04f5d79813bb927aa20657
Copyright registration time
2026-06-25T20:25:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:25745816d14be3dc3c745c8486ff8fdc50f22eb78a7f5c4fc0d3c28f6631d7d1

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.