Before

Recording by 李学仕.

Recording identifiers

ISRC
HKG732142898
CopyrightID (CopyrightChains transaction hash)
0xaac6da234132005503aa3fc44c80571e52528f0cd9b6819c835aec3ea9e07520
Copyright registration time
2026-06-04T09:52:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9f404e25e7bd0158286df40686661ed09e0c88f475e11027ade97d2d6b047c4d

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.