Low-frequency sweep with voice-over

Recording by David Ranada.

Recording identifiers

ISRC
USASX0817940
CopyrightID (CopyrightChains transaction hash)
0xf6f67167d47475b9d75c13ceb8552cc0bdc5946cdd68952f5185820e4add1084
Copyright registration time
2026-06-24T09:53:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:45018192eedbe2b7a351a1f17a7ad38208d95ace2b5bf1e40247eef28d1245a4

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.