張三的歌 - 音頻純享版

Recording identifiers

ISRC

FRX202537911

CopyrightID (CopyrightChains transaction hash)

0x4af6deb22b18ad6d0a0418361ae36f0d28a45a82c73433e573e9d5af5aa68141

Copyright registration time

2026-07-06T05:17:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T06:56:49Z

Bitcoin block

956889

Canonical record hash

sha256:884cab0f02ebe7d24af5bff30f39c3fc2c6b50c735f21179cdcbed3f9816be6f

• 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.