Improvisation No. 53 - Live

Recording by Lee Konitz.

Recording identifiers

ISRC
DEPI81502778
CopyrightID (CopyrightChains transaction hash)
0x8c57f40c52bf7c19cda02befc91f2ba7697f2219c1e19e0aa624fb0318a5f71d
Copyright registration time
2026-06-20T23:44:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b2f26572180df0a4abc8b260297236a3ea85c2ca1db1b553253d74cb2dbe09ee

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.