Concerto for Orchestra: II. Capriccio, Notturno e Arioso. Vivace

Recording by Witold Lutosławski.

Recording identifiers

ISRC
GBLWD1006010
CopyrightID (CopyrightChains transaction hash)
0xef8156894fe6eae799727386e22c92ed74a93392038297922be6273f1badea59
Copyright registration time
2026-07-31T17:43:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:716a6b6c1a28399ea64173edc35a439cb46c81fc013c5b730ca2a0e538a2c25c

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.