Jokey - Polka schnell Op. 278

Recording by Josef Strauss.

Recording identifiers

ISRC
GBAYC8300116
CopyrightID (CopyrightChains transaction hash)
0x8ee9775cd9356ec28a939c46a249d408ad73c4e52f5175ee4c50653339cce09a
Copyright registration time
2026-07-06T22:12:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b7bdf2b0aa1e5ee9e27c4ba341eee5903655e22e64e9c3b61e4f2c848dbc117b

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.