Zamek z Piasku

Recording by Beata Kozidrak.

Recording identifiers

ISRC
PLB381600928
CopyrightID (CopyrightChains transaction hash)
0x9e3680d39693ca4590dc515c20821f19ef3167093f07d01c91acf8740a811269
Copyright registration time
2026-06-07T15:49:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:53fb3c55d47abf1b9b5831bd86373550afa6cc570ca0ddacb484939e54d852b3

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.