Rütmus & Blues

Recording by Polo Hofer's Schmetterding.

Recording identifiers

ISRC
CH0801023007
CopyrightID (CopyrightChains transaction hash)
0x5122c80eedb1258298e3f8774ba3fcb6255555695336e43248169115766a409d
Copyright registration time
2026-07-07T21:52:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:dfc73cd36fc6d4e7205f175d0eef0c4ae71d0fc291b27cc9ccd742d3d2ddd5e6

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.