Offside

Recording by Janusz Walczuk.

Recording identifiers

ISRC
PLS282100038
CopyrightID (CopyrightChains transaction hash)
0xed1eaedb02a926b4728e8288213615051e19f6dd4e25b3958aa62068267bb604
Copyright registration time
2026-06-05T06:40:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d9a4a66c999f271ae1dc4246fddf5f6218820f03d0c212ddf4036e883262ee02

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.