勇敢勇敢+林中鸟+江湖大道+ 混在北京+我不对+1981 - Live演唱会

Recording identifiers

ISRC

DGA052246750

CopyrightID (CopyrightChains transaction hash)

0x7c5135dab9c329399bd92ca0d742a71845e8b5c603731659e8ac73ae7ad5cb13

Copyright registration time

2026-07-07T08:50:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T08:56:20Z

Bitcoin block

957145

Canonical record hash

sha256:20633591257e7cf9230ed8a7636827ac7976090a51ccdd9e461924b2b95263ca

• 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.