ISRC QZZ972348982
Verified recording
QZZ972348982 is “Cold” by Nightmare City,
registered on the CopyrightChains blockchain with CopyrightID
0x178a8063d59c19da6357f3975a57cf41910ace247567c2ad1e680d6de9d132b9 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972348982.
Recording identifiers
- ISRC
- QZZ972348982
- Title
- Cold
- Artist
- Nightmare City
- CopyrightID (CopyrightChains transaction hash)
0x178a8063d59c19da6357f3975a57cf41910ace247567c2ad1e680d6de9d132b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:487148645e89c8ec6dd3f9b6ceeb24f00c19d492ed0abff7446320e8cafa2195- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972348982
- Bitcoin block existence check
- https://blockstream.info/api/block/960481