To brzmi jak

Recording by Dwa Sławy.

Recording identifiers

ISRC
PLH511200573
CopyrightID (CopyrightChains transaction hash)
0x4717fd79fe70ea63d816e6a4e93c282f00befe6057214f1c65c39fd1ad565b5b
Copyright registration time
2026-06-08T21:38:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:823ddfaa57469c7dfa31d9ca9bbd0baff0a0ae6536d6057238536ac469df26a0

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.