Trumpet Sonata In B-flat: I. Mit Kraft

Recording by Paul Hindemith.

Recording identifiers

ISRC
JPG201012805
CopyrightID (CopyrightChains transaction hash)
0xb1bef5eb54dc8616ac3568c021a449845e18a805e74147dc1f81798055498c6c
Copyright registration time
2026-07-07T13:25:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:54e67e136ad67d6db49883f3fb0a23dca00863c2fd9617620451379f70c6b107

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.