Andante spianato et Grande polonaise brillante, Op. 22: Andante spianato. Tranquillo

Recording identifiers

ISRC

DEF057401211

Release date of the album this recording appears on

2020-02-26

CopyrightID (CopyrightChains transaction hash)

0xda318f2fe2c7bb4338e54f35d9875d5704580b11384a8bc91018a0768c452100

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:386e249e2c8efe4d0706f05cc8eb03a9543ae7a0a3a0761439ae63717d5b6995

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEF057401211

What this proof establishes

This recording was released in 2020, 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.