蕭邦: e小調前奏曲, 作品28-4

Recording identifiers

ISRC

TWAA72300050

CopyrightID (CopyrightChains transaction hash)

0xe18d857206897bd0a356bc19fb7800c5f65b4c6c4ddb759e51445ca5888ffa54

Copyright registration time

2026-07-06T11:04:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T18:39:05Z

Bitcoin block

957073

Canonical record hash

sha256:e53953d2058a2063f4fc2fc359faa6a5c66f921bfb50f38018f75bba23cd749d

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.