Pitch Perfect

Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DEAF71490709
CopyrightID (CopyrightChains transaction hash)
0x297c76315e0ddd5db9873b568ef269000014de52f24bfc761b1abf5c0f2e5c65
Copyright registration time
2026-06-19T07:16:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e864af4d69d5d20b5d5f0e0ee89a472686d1129b084c181910cb6a2617b6927b

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.