Ground Rules

Recording by Hans Zimmer.

Recording identifiers

ISRC
USQX91400394
CopyrightID (CopyrightChains transaction hash)
0x67f9422247be8fba15624376d5472f2fd4aa0b534da337e228673def2531604b
Copyright registration time
2026-06-19T03:53:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4e4092e1ac6d10f8ecef2586414b8151ba29ae13b407195de683c318e9c26147

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.