Ludus Tonalis: III. Interludium (Moderato, con energia)

Recording by Paul Hindemith.

Recording identifiers

ISRC
CHE271900075
CopyrightID (CopyrightChains transaction hash)
0x9efbf241d18240910e2e696db586d41c69e4275311fee7185bb2d61e541c758b
Copyright registration time
2026-07-07T07:37:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2531937abfc34de52e945d03d852b4de1aa5b660ff74afb81421b31b56749537

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.