Wusara-Polka

Recording by Viera Blech.

Recording identifiers

ISRC
ATT251710710
CopyrightID (CopyrightChains transaction hash)
0x364085efc7cef4c2393029f582f771ee9e09d5774f3205e29d13826a98a8620b
Copyright registration time
2026-07-29T15:24:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:38:18Z
Bitcoin block
960125
Canonical record hash
sha256:78edc0e13406f05f603394ac7252593ac2cea180fb064d2132249e3284f9db5e

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.