Speak Low

Recording by Roy Hargrove.

Recording identifiers

ISRC
GBUM70805375
CopyrightID (CopyrightChains transaction hash)
0x4d328ed90e081e6849bdfa3341d1e3748d16ce8ba4a45ecc2e34115a479d9a01
Copyright registration time
2026-07-07T13:50:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5e3eff1c279e62fd412aa2ebd363a72e04e90804b7e2ed9e5a53a2a89e48637d

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.