Up The Line

Recording by Little Walter.

Recording identifiers

ISRC
USMC16350842
CopyrightID (CopyrightChains transaction hash)
0xd17c2ba722407f5b462d1fd405489fdf3db7fc30d73b5fddb5ca19ae9b5b2f80
Copyright registration time
2026-06-19T12:38:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:623147637b7129b649d83951fedea83af1edf37dff771187cd45de861f6df77d

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.