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Recording by Ewa Błaszczyk.

Recording identifiers

ISRC
PLB171600022
CopyrightID (CopyrightChains transaction hash)
0x5ee63fff4760ee0376d1c474c5e3c2a58575fe2615365b66bd852f5096b269df
Copyright registration time
2026-06-19T00:40:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b3544f8fb6063031673c96f0a0735d723a3803e38b0a4c845e5eec219fac348a

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.