Coffee Break

Recording by Christopher J. Hanke.

Recording identifiers

ISRC
USUM71107833
CopyrightID (CopyrightChains transaction hash)
0x629d9e1ae4b8ae92ddfc58ee33489e49af9037e5991004af8fd30439556c8bbf
Copyright registration time
2026-06-11T18:47:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9cabf1cf42fd6c9e0bc44d1b6d5685cd8b1bac74e6f23947a0a607c45d7da230

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.