Concerto for Tuba and Orchestra: I. Allegro moderato

Recording by John Williams.

Recording identifiers

ISRC
DEE861400052
CopyrightID (CopyrightChains transaction hash)
0x9f983983c86c122fc959ae14ff47120cbb471df79be2271f9f8988a3f898d24b
Copyright registration time
2026-07-07T18:19:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6ec1a93e0b57634054df7c5a71ffeb389483d886baaa63d902f392e5fd70a9a6

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.