Bitte schon, Polka

Recording by Johann Strauss II.

Recording identifiers

ISRC
HKI199320403
CopyrightID (CopyrightChains transaction hash)
0xc30d19faa4943e279c3becf39e8827fe2dad11f720310b696f0e8a28a8df3616
Copyright registration time
2026-06-06T16:17:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:f603b947051f47d039f1b0863b3f89ae2e92e098ba1d623366b001d7bb611d97

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.