W zeszycie

Recording by Dudek P56.

Recording identifiers

ISRC
PLR901800005
CopyrightID (CopyrightChains transaction hash)
0x43a43c3ead3453cc62ea42cd6f94441f14bf9ba5ae5b225f2a99a8d5c1e4d125
Copyright registration time
2026-07-30T02:43:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:ba2e3db47775aa896570be25b75248305705574bd5a89a264f4726b4dd578e80

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.