Marty's Blues

Recording by Art Pepper.

Recording identifiers

ISRC
QMBZ91957459
Release date of the album this recording appears on
1956-10-23
CopyrightID (CopyrightChains transaction hash)
0xadf33ca9962b96a3c3466d377c20ae5ab1494fa81b2d01c8e33f13ea49d129c6
Copyright registration time
2026-07-29T12:00:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:35:17Z
Bitcoin block
960105
Canonical record hash
sha256:22bedc5fe8972d2740380c0e6deaedfd26657eb8b1bc4af01bc9a7db974b3405

What this proof establishes

This recording was released in 1956, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.