All

Recording by The Howard Roberts Quartet.

Recording identifiers

ISRC
USCA20101780
CopyrightID (CopyrightChains transaction hash)
0x7116b9222e62566f6f620957fd039ce05c422c321313c15527f07dca6a517b38
Copyright registration time
2026-07-06T10:22:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:ecdd400b870227b89b6bd79512fb020363d6a48fa238a5e193988033ffc3223f

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.