When Your Lover Has Gone

Recording by Lee Konitz.

Recording identifiers

ISRC
USPR35912037
CopyrightID (CopyrightChains transaction hash)
0x98899c41683a16b6930d997f2fef69612fd12f2d0d23dbf33c5915fab8d50349
Copyright registration time
2026-06-07T06:59:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:10884e27ce4e10ba50e48b16b37b59656c18df96c67d2b8927ad73b4becb5b8f

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.