DO WIDZENIA

Recording by Zdechły Osa.

Recording identifiers

ISRC
PLA552300054
CopyrightID (CopyrightChains transaction hash)
0x82b7651b20708260396894c09f6b68b978ba7c7ada9f7b74a930158c8a79856c
Copyright registration time
2026-06-06T18:20:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:fe7749c32f0fab2f0feb7d24be3abaf3038a30e621646ad5a5a6858d9b10b839

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.