Concerto for Piano and Wind Instruments: II. Largo - Revised 1950 version

Recording by Igor Stravinsky.

Recording identifiers

ISRC
USSM16401021
CopyrightID (CopyrightChains transaction hash)
0x97f83ddcd49ed6be3c10ab7282434fa3ce3b3a52cdb04a564b2d6e87e92a5f00
Copyright registration time
2026-07-08T01:32:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5c2f4c4f5b4aa462a2cf72ba569bbd8e496725fffa2e50ece4ef3d5a78e079d2

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.