Improvisation in A

Recording by Chris November.

Recording identifiers

ISRC
DELJ82085134
CopyrightID (CopyrightChains transaction hash)
0xa7c7e1511003aa7e6103e46b76c1e758f685ec6efb91056203396570e5dfd206
Copyright registration time
2026-06-21T17:02:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:668d5285df0e140a4590c26ae584c1b27e0269237124188d8816a24f42f919b9

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.