Piano Concerto No. 1 in D Minor, Op. 61: I. Allegro maestoso

Recording identifiers

ISRC

HKI192331211

Release date of the album this recording appears on

1974-01-01

CopyrightID (CopyrightChains transaction hash)

0xc4c00dfbad6f8ae876c0f78946a14a0b5e0e3162db03e55eb45866f784a0decb

Copyright registration time

2026-07-07T00:03:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:913c9cf780c4085cadc9d9ca550a31e065fdbab77fd68bb22918ccdaae0ef8ce

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC HKI192331211

What this proof establishes

This recording was released in 1974, 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.