Sometimes

Recording by Air Traffic Controller.

Recording identifiers

ISRC
QZK6L2021583
CopyrightID (CopyrightChains transaction hash)
0x2244be6e71cdcb707795fc7531d10f65ecf1931234df9ce64b8ce5473bc596bc
Copyright registration time
2026-06-07T10:04:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7adba384a993b18cc80307ff1c9c86e6fbb5fb21404e20b09449d369f109e4e1

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.