Piano Concerto No. 1, Op. 45: I. Con grandezza

Recording by Einojuhani Rautavaara.

Recording identifiers

ISRC
HKI199823004
CopyrightID (CopyrightChains transaction hash)
0x408e5327203c949393aa2877b29348d4f08f4070b240ae6c137c6ea325af5cdc
Copyright registration time
2026-06-21T05:09:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:41604f3ade879806710519ffb9cebd05674cca02364167ce9e3633e704bff7a4

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.