Masz i pomyśl

Recording by WWO.

Recording identifiers

ISRC
PLA330000468
CopyrightID (CopyrightChains transaction hash)
0xd712773ecf6bfe481aeb195db0501649c903b05250e46effd271c59c0522422c
Copyright registration time
2026-06-10T19:13:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f67e18d59cb0c4c6a628f6149abbc222e8c95e66813d59c6039ed40a767958f9

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.