단하나

Recording by SYSTEM SEOUL.

Recording identifiers

ISRC
QZNWW2580798
CopyrightID (CopyrightChains transaction hash)
0x7d1c8284f1d2ab18ffbf97dd89f9674354e45c4d611989590caa6cfca5acbc35
Copyright registration time
2026-07-07T08:32:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ae66f85061d906dc75d300b1888fbbde5f607956d82e62b04f8336720707a70f

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.