My, Pierwsza Brygada

Recording by Magnus Ringblom.

Recording identifiers

ISRC
SE6CZ2200506
CopyrightID (CopyrightChains transaction hash)
0x09d69419398e7f6b5e7774940c9ffc6df574981aab859f728ea0c111cd4ace96
Copyright registration time
2026-06-10T05:05:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9988eab166988eda7e9d709b5ceed69e0bfa696fed74b9b158e3dc4772b20a0c

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.