柴可夫斯基: 天鵝湖 (咖啡音樂)

Recording identifiers

ISRC

TWAA72100859

CopyrightID (CopyrightChains transaction hash)

0x7290040a20e52f3912cf618b0eb2451c61f2d05e9096c507f76a9bfc03f9f19f

Copyright registration time

2026-07-07T18:30:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:1f54cd83e61c6b631b725ab6ff3815db21c3c7fff0688d4a92d84d991815ba23

• 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.