給五十歲自己的備忘錄

Recording identifiers

ISRC

TWCX11800209

CopyrightID (CopyrightChains transaction hash)

0xbbab47e7705a7d06a6c135e96df18f24a9c0a0fa0eadd8be0ff4ff80d7bd16ef

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T01:34:28Z

Bitcoin block

960187

Canonical record hash

sha256:014a03f3d2e2dc69deb10f5aecfdbbd1ef1ddec2917e02fcc2a8b5cecf6b9415

• 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.