Song 2

Recording by Shanghai Qiutian.

Recording identifiers

ISRC
QZHN72257989
CopyrightID (CopyrightChains transaction hash)
0xa705260d560f54e0161ff0ff69be50676ec66bdba6125525d49a04591e0a90a2
Copyright registration time
2026-07-30T03:05:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:2cc581df04b08bc3f7fcbc416c8638a05fc7a27aed118ce19cecf6fc23e4093d

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.