ISRC QZS642335192

Verified recording

QZS642335192 is “favorite sad boy (Intro)” by Astrus*, registered on the CopyrightChains blockchain with CopyrightID 0x5163dc66911ccd2200bd8f72106609d517d60bb9e5f4e8e931371effb2338214 and independently timestamped in Bitcoin block 960167 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS642335192.

Recording identifiers

ISRC
QZS642335192
Title
favorite sad boy (Intro)
Artist
Astrus*
CopyrightID (CopyrightChains transaction hash)
0x5163dc66911ccd2200bd8f72106609d517d60bb9e5f4e8e931371effb2338214

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T23:42:34+00:00
Bitcoin block
960167
Canonical record hash
sha256:6b38e728f47f698d746ef758b2623933379db2a2c46984a193d8f2053df71c1f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS642335192
Bitcoin block existence check
https://blockstream.info/api/block/960167

Full record

Track page: favorite sad boy (Intro) · Machine-readable JSON-LD