OPŁATEK

Recording by Cozza.

Recording identifiers

ISRC
QZDA72447226
CopyrightID (CopyrightChains transaction hash)
0xfd210d5efc64e76dd33ca82bd5a6343bdaeb4c423ec8028f0bb00a53bc29cb95
Copyright registration time
2026-06-22T14:20:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ec4d2230309606433365f042a032652662320070194e517d6274034a8f7ad7c7

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.