Gdyby nie ty Warszawo!

Recording by Zbigniew Wodecki.

Recording identifiers

ISRC
PLB171200737
CopyrightID (CopyrightChains transaction hash)
0x56135425baf53079d06f4fd5b0c6a8f956689facdae4919e3a26159ac6a826bd
Copyright registration time
2026-07-30T01:00:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:044d9990e00dc0ff6fce6dddbfa272f8ce9ee34fe4bdba51625855a6a0fc8308

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.