离开家那天 - 第四届海洋风创作活动推荐曲

Recording identifiers

ISRC

DGA062464928

CopyrightID (CopyrightChains transaction hash)

0x553f3415cc0b3501fe990275e0a7557ac96b63c2262488450bb168b15426330c

Copyright registration time

2026-06-25T02:06:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:8826c0b0f25f540c7210cbbc615c0768ed3754cfe94775588499bc22c48407c7

• 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.