Tik-Tak, Polka schnell, Op. 365

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSM11103122
CopyrightID (CopyrightChains transaction hash)
0x888ec4503c56d23b9ef5383a0ecfff4fd0124269d2fff2c020d68a920d59f99b
Copyright registration time
2026-07-30T21:37:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:508f94ece1600bfc7922d3aced1080d2083804becaf400a6c4dbe5c5cb253506

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.