Pieśń Geiry

Recording by Halina Frackowiak.

Recording identifiers

ISRC
PLA551801149
CopyrightID (CopyrightChains transaction hash)
0x8da17ff350446d508fdf2553582c03cf82fc4facb9605c2bbe56e474fe7d3a15
Copyright registration time
2026-07-07T19:18:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d0fafe6bbfcca6bb5d90d0f3db1db926e24b5177b651f9b1759238806f013267

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.