Test 1,2

Recording by Air Traffic Controller.

Recording identifiers

ISRC
USRW20800012
CopyrightID (CopyrightChains transaction hash)
0x6fac24cb4f7183b02b06f493ceea9e670fd1a38d6918b33ca47d49d0a4f3cf56
Copyright registration time
2026-06-22T19:16:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d15bfe9915576987cc69339b33b2fe1adb1e6d3ecde9d89c2eedbf8d003f1742

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.