What Is This Thing Called Love?

Recording by Lee Konitz.

Recording identifiers

ISRC
USBN29600323
CopyrightID (CopyrightChains transaction hash)
0x8db7b47e174c4dab7a22b7e52cb36c34c0dc59fb9fa4952a27eee91b202ed869
Copyright registration time
2026-06-23T02:24:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:cfa137612377496465526a260d3a70e420afdab40679c3e8aca93e0eb6caa5dc

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.