Newa-Polka, Op. 288

Recording by Johann Strauss II.

Recording identifiers

ISRC
GBLWD1701201
CopyrightID (CopyrightChains transaction hash)
0x63de6c1a1da6d70adf5ab48738f44a4fa8bd9bad51a2a428f417c0653d6d032c
Copyright registration time
2026-06-10T02:19:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:75c03e6cb38df0444f41bd39987da93738eec12933b1395eb4d1188bc2cd025c

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.