Heavy Girl

Recording by Shoko Nakagawa.

Recording identifiers

ISRC
JPU901803510
CopyrightID (CopyrightChains transaction hash)
0x989b0df3caaa98af2c65d6de2cad6e0ca848612dd53518a347f3c88b1788622e
Copyright registration time
2026-07-07T10:29:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:db5db849296b75b8c12641837d9b81fc4640be219529041b90933a12c48c1d74

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.