ISRC QZS662138723
Verified recording
QZS662138723 is “BMMK3 (0522)” by Coldlone,
registered on the CopyrightChains blockchain with CopyrightID
0xf959e1d7671fd70b16908d5e05ea1bbb218570abcdb92440c3426403616ce0e8 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS662138723.
Recording identifiers
- ISRC
- QZS662138723
- Title
- BMMK3 (0522)
- Artist
- Coldlone
- CopyrightID (CopyrightChains transaction hash)
0xf959e1d7671fd70b16908d5e05ea1bbb218570abcdb92440c3426403616ce0e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:b0a1d0b3b2e2f0b307258cc516b7c6556f1680be7e2a0868d68773a870d531c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS662138723
- Bitcoin block existence check
- https://blockstream.info/api/block/960209