Doubt

Recording by Justus Rümenapp.

Recording identifiers

ISRC
QZK6N1994717
CopyrightID (CopyrightChains transaction hash)
0x35be791b4278737908ab14dc7e36178622f5768fa5604abca7776bccc17e3f5a
Copyright registration time
2026-07-29T17:03:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:db7cbb675e03f0915ed3978d3bdd40b0493a93eed10ed0267dd9f0e987ff7650

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.