Piano Concerto No. 26 in D, K.537 "Coronation": 2. (Larghetto)

Recording identifiers

ISRC

GBBBA8550452

CopyrightID (CopyrightChains transaction hash)

0xfd789c0c898274c4e02773bea7fc9f39e7c0f11d2513bf5e922937f01f9869d1

Copyright registration time

2026-07-07T11:31:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:38005ab010072f31b3497210fea39e7c1b1aee67fa48fcb4b2ee4f9a249550bc

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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.