Piano Concerto No. 2: I. In viaggio -

Recording by Einojuhani Rautavaara.

Recording identifiers

ISRC
HKI190314705
CopyrightID (CopyrightChains transaction hash)
0xc2754c1c1cd032475e068c57d5b29d062d2f6fc415b3cbd3259558538039677d
Copyright registration time
2026-07-31T22:56:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:5ba739018946f5968d3bbfb485ceaccec42fd6b129fa9368be79321d52d0c0eb

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.