Cello Concerto (2021 Revision): II. Blues

Recording by John Williams.

Recording identifiers

ISRC
USSM12201116
CopyrightID (CopyrightChains transaction hash)
0xe8d8e9ae471851d46e84fc5579f0076732aa6b828a5359c2cd54e339c2b087ae
Copyright registration time
2026-06-24T13:06:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:246443a0b15dc5c12c6966c214459466035a213dda3ceb66f48d78037b25f10d

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.