Cello Concerto: I. Theme and Cadenza

Recording by John Williams.

Recording identifiers

ISRC
USB8U1514512
CopyrightID (CopyrightChains transaction hash)
0x8d780eaac21888fff1ca2416fecabe24c4a010978c59bf1339c5e3640f3ffbbe
Copyright registration time
2026-06-27T01:14:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6a17e9538625d5523779dd324cc48aa30afb82e7891d1370ba4d5cd077e168ce

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.