Cello Concerto (2021 Revision): I. Theme & Cadenza

Recording by John Williams.

Recording identifiers

ISRC
USSM12201115
CopyrightID (CopyrightChains transaction hash)
0x61f63339b5e8604d43d8b065f191f93ae8dceaadc9d43034a338cf10630e6c01
Copyright registration time
2026-06-20T07:32:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:cd495d7fde6ecd2c1fd39927ad3c1bdc031c0423c8bad2fad6f231d852e21b18

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.