義勇軍進行曲

Recording identifiers

ISRC

HKB120542018

CopyrightID (CopyrightChains transaction hash)

0x333a1a7a67b0871f55954d7f88b195de4b99c98ed9fc1c0a278a1916ab84cb32

Copyright registration time

2026-07-07T05:16:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:881626a29dc2c0b01db4e25836d19e604854f1970c72ad1711b28802208bb668

• 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.