Jerzy Janowicz

Recording by René.

Recording identifiers

ISRC
PLC062430736
CopyrightID (CopyrightChains transaction hash)
0x7eca553ca818c82d778f7cd7cc7bb92f2f6484f80f0bec9b6e2200fba23bfe12
Copyright registration time
2026-06-11T19:22:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8fcc3795ae4297108f2629f43033a2ee5e36a8ddb3adf2927c98915210c6abb2

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.