寫給無情人的情書（DJ偉然版）

Recording identifiers

ISRC

TWDL72108081

CopyrightID (CopyrightChains transaction hash)

0xebdf12b88bdb47d50953927d1be80af9d1d77e5d7d842213ea9d0b2a8c9ee458

Copyright registration time

2026-07-31T19:08:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:fb2af08bf12b2e70ea82ffe979c9313954a54fef48ab95d92b07224a967aee23

• 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.