Pieśń ciszy

Recording by Zbigniew Wodecki.

Recording identifiers

ISRC
PLA551600287
CopyrightID (CopyrightChains transaction hash)
0xa67d9f7952586dafb1d57cf0a5d096edf86de9b2d7b5ffb5b8931f3fdce05b06
Copyright registration time
2026-06-21T10:50:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:edd2492ce3275f3a871ae2df2e87b586f6e376375cb8d8a0c0896814efd051e9

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.