濛濛細雨憶當年

Recording identifiers

ISRC

TWAN70360682

CopyrightID (CopyrightChains transaction hash)

0x2f5b1df8b71edf74e5265c3a2feb2f52e34394ce836b77f44f48aaf25535673e

Copyright registration time

2026-07-31T23:35:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T23:51:35Z

Bitcoin block

960481

Canonical record hash

sha256:f504779479011939ab55456844b1b4c76390165ec97101f31c353904532198e8

• 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.