Concerto for Orchestra: II. Capriccio notturno e arioso - Vivace

Recording by Witold Lutosławski.

Recording identifiers

ISRC
PLA160549902
CopyrightID (CopyrightChains transaction hash)
0xb5eea7637ef6b4e8f0f66c7e8d38b1c401e20b951162bfb8717689c37d4d86a1
Copyright registration time
2026-07-07T07:36:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:35e5d38f5d0a983ac1564a6006789bd3cd9d99fb5a0d1060d28294f80ec4937b

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.