Speak Up

Recording by Umphrey's McGee.

Recording identifiers

ISRC
QMA271700041
CopyrightID (CopyrightChains transaction hash)
0x4c71646249a7516f1da628c7f7d9def12b0fa3084aae8b4dbca53a13794c2e90
Copyright registration time
2026-06-21T08:45:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fef057c64780aabf03757362203b90012817161872b2c961fe9a89e04cb58dd8

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.