Paul Hindemith - Sonata for Flute and Piano - II. Sehr Langsam

Recording identifiers

ISRC

US9930511571

Release date of the album this recording appears on

1998

CopyrightID (CopyrightChains transaction hash)

0xe1ca612ad8a2c283f0d6b71ff8fb08b0a5659b8fe8803d88994b9be2254c4a07

Copyright registration time

2026-07-07T21:45:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:e8f40c13dcfa4152cd9b5a5b87c5ab25dd6738b39d28c8f0ec4f9cb5eb53bba9

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC US9930511571

What this proof establishes

This recording was released in 1998, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.