A Good Day

Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DELV41600562
CopyrightID (CopyrightChains transaction hash)
0x19b1bbbfe262c93cbd5dda927b6ca6e666c593395ed6fe9aa2a5e4d8c2441995
Copyright registration time
2026-06-28T04:25:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:edd2952ede2d1c3da2fae1e441df3cb27e0659df9deb3fb65c2ab2c39ce2468d

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.