Because

Recording by The David Liebman Trio.

Recording identifiers

ISRC
NLB151300015
CopyrightID (CopyrightChains transaction hash)
0x85b27067565d6ae03c07d2612ea1f004f9dc70cf3792cbc2fa21cdb35541ddb2
Copyright registration time
2026-07-31T20:15:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:42:35Z
Bitcoin block
960463
Canonical record hash
sha256:39b17e0bc73d1a94c4b807ebfcee9282bafc28307890cf51e00e88404ef3276e

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.