Tchaikovsky: Piano Trio in A Minor, Op. 50: II. (d) Variation III

Recording identifiers

ISRC

GBAYC1501595

Release date of the album this recording appears on

2021-06-25

CopyrightID (CopyrightChains transaction hash)

0xcd79d5e386b5f9641309715d6466416a289b06c047664456eafc24f144f74538

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T23:51:35Z

Bitcoin block

960481

Canonical record hash

sha256:73f56a4c1d78cc6ba8f1ee1200e5d0f786e832b2ac1118b2ee9c418e04414279

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
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• Recording evidence summary for ISRC GBAYC1501595

What this proof establishes

This recording was released in 2021, 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.