Tritsch Tratsch Polka - Arr. by Helmuth Brandenburg

Recording identifiers

ISRC

DEB639005617

CopyrightID (CopyrightChains transaction hash)

0xb4c0d50e09aeefee41454a0eef1ab5b04d54c9f14bcb9b8d89198745f1023f0d

Copyright registration time

2026-07-07T17:53:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:d882605a7d25a81603279d244bfacebdec10b42006c304ef4e4c814f1b502ffa

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.