Concerto for Violin and Strings: I. Rubato

Recording by Andrzey Panufnik.

Recording identifiers

ISRC
FR50X2411006
CopyrightID (CopyrightChains transaction hash)
0xeb1f6b92352520f1f4cdd7cf72ac8b955b05e17c252f604dc1cdab7fa313d315
Copyright registration time
2026-07-29T15:37:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:2773038b827d97d6dab686204f74f67431867ce86c49ac708e28a1c67aec854b

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.