Up and Away Polka, Op. 73

Recording by Vienna Chamber Orchestra.

Recording identifiers

ISRC
DEAT71209352
CopyrightID (CopyrightChains transaction hash)
0x538335ea8e67245c7162b65dcaad6494ff696dccb58ff98dfb5634b76e196b03
Copyright registration time
2026-07-07T15:35:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0f52d8cbff420b1d6f96e136d02dbced835622ec91d02669415d9814687e5da7

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.