春夜宴

Recording identifiers

ISRC

QZFZ62233177

CopyrightID (CopyrightChains transaction hash)

0xaa699211242158e5445c8fa4f0fac08b0c93030e609bb71391f8d7ad83f07bd4

Copyright registration time

2026-07-08T00:16:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:39:04Z

Bitcoin block

957122

Canonical record hash

sha256:5888afd1a1ac5d7682dbc9610a6baeb42c09cf1ab2117e34238448a45886631e

• 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.