Friendship in Flight

Recording by Mark Lavengood.

Recording identifiers

ISRC
USHM91429510
CopyrightID (CopyrightChains transaction hash)
0x59ced999db0750ea5c2de437a23a9442046830ef543dad9364b6a05da5926cb5
Copyright registration time
2026-06-05T08:20:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3d6fb6410284c4c6bd31ae2f497cee53c229f13dfb764061f9ff534c4ba4273e

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.