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Recording by Janusz Walczuk.

Recording identifiers

ISRC
PLF242108537
CopyrightID (CopyrightChains transaction hash)
0x3c15c1564e39cfb9b90ca5dc8a9214c6573849c554ebe6a010c1db48ce2e2784
Copyright registration time
2026-06-10T17:17:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:0039c8c07e649ccffbcddf9f60830bd5d1b5085c2c922805ae6a8f09b97ebfa0

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.