ISRC QZ9Y21726785
Verified recording
QZ9Y21726785 is “Black Sleep” by 36,
registered on the CopyrightChains blockchain with CopyrightID
0xfad09b7334cce29c4dcff193b456a4f10f456c79a8c150c87b6568e154ba0be6 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21726785.
Recording identifiers
- ISRC
- QZ9Y21726785
- Title
- Black Sleep
- Artist
- 36
- CopyrightID (CopyrightChains transaction hash)
0xfad09b7334cce29c4dcff193b456a4f10f456c79a8c150c87b6568e154ba0be6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f93da6ec238b423e96a792920175524ee04d4058f2d0e90c32e05b750f429030- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21726785
- Bitcoin block existence check
- https://blockstream.info/api/block/956304