Bitter

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
ATF068003700
CopyrightID (CopyrightChains transaction hash)
0x651ad8d270ca9e1b4fd672d7e6b870275751c703457068c97980b40926fd08fc
Copyright registration time
2026-07-29T13:55:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T14:28:24Z
Bitcoin block
960117
Canonical record hash
sha256:6051a8461c097543855d44a6183372743de1de3edc166694affd37e963fc619e

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.