Piano Concerto No. 1 in B-Flat Minor

Recording identifiers

ISRC

USA371097309

CopyrightID (CopyrightChains transaction hash)

0xb636fa438d7477acb30809ecd8f991b8d39ddc3e50ade994a0d1490254489907

Copyright registration time

2026-07-29T14:35:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T15:22:21Z

Bitcoin block

960121

Canonical record hash

sha256:915ff9b56a93f6e5734de5fa5faa3d8022f953d83f4a66b850c78c9090fc17b9

• Verify the CopyrightID on CopyrightChains
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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.