Piano Concerto No. 21 in D Minor, K.466, II. Romance

Recording identifiers

ISRC

USAT50311210

Release date of the album this recording appears on

2003-08-12

CopyrightID (CopyrightChains transaction hash)

0x252116bc4307eca744c6f7d5f0f4fbbcff25171101b989abd2f393001d64d59a

Copyright registration time

2026-07-31T17:47:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T18:48:12Z

Bitcoin block

960448

Canonical record hash

sha256:d8632ac85e47c3d11b23cf76d8bd250a05fac111970b000a1eae832b7f287584

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• Recording evidence summary for ISRC USAT50311210

What this proof establishes

This recording was released in 2003, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.