Plan B

Recording by Hans Zimmer.

Recording identifiers

ISRC
USNLR1500202
CopyrightID (CopyrightChains transaction hash)
0x8561d4955491c5c65228da62fabc407b12648221ef29011e68efe8fa7e6f821b
Copyright registration time
2026-07-03T01:03:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:7b3b502bf470afeb502d7910f3f4466903c548a98344cc3c5e858be342d5e0fb

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.