In A Mellow Tone

Recording by The Howard Roberts Quartet.

Recording identifiers

ISRC
USCA20101756
CopyrightID (CopyrightChains transaction hash)
0x74c37c7bc3d77db1ab60e992fdb8c40c850b3d1da92d5aaa8dcc610279bcd223
Copyright registration time
2026-07-07T17:57:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1fd84aa3a9375b72f5255a6e6230c31213e423fa5d99975cd75389fca8cd21cd

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.