Coffee Break

Recording by Jeff Blumenkrantz.

Recording identifiers

ISRC
USBC19505339
CopyrightID (CopyrightChains transaction hash)
0x855e225664074c2d03e3020ce1d9142f793e2bb77742417719c893d519b0d582
Copyright registration time
2026-06-27T10:30:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:089fce9502f1d6bfa7076e5b15aeb03822acffbf80c22ae7b11ad1c0e98c166a

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.