Piano Concerto in A Minor, Pt. 1

Recording by Henk Lagendaal Orchestra.

Recording identifiers

ISRC
USA371097305
CopyrightID (CopyrightChains transaction hash)
0x5cb93369ed098ebfc98abe72141f142288675c3a6b5fa2897f485446d83676ee
Copyright registration time
2026-07-30T16:58:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:86175b8de4a449e62822af3c2169bf30c5f77c8415e6de9c52df2b04b2e9aadc

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.