Discovering Hans

Recording by John Williams.

Recording identifiers

ISRC
USUM70506985
CopyrightID (CopyrightChains transaction hash)
0xb34792dc25f776aea88250deeb020805d22e9c0bd2dc076eacc55ab78db33746
Copyright registration time
2026-06-25T07:37:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:09a19816fbf40710ed0f8d1585234f18e71aa86d06019ef0f272d96459c95484

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.