Heavyweight

Recording by Polish Club.

Recording identifiers

ISRC
AUMEV2469977
CopyrightID (CopyrightChains transaction hash)
0x94a21d22381b5dd9c690eb9201f2816f6ffc43765d450bf7f703918d3290b5b5
Copyright registration time
2026-07-05T03:16:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:c93c82d7857f769f0c45487fb5c746220131e3beb4edfe0bcc9086f65164bd13

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.