ISRC QZ93L2200448
Verified recording
QZ93L2200448 is “losing sleep” by andy polk,
registered on the CopyrightChains blockchain with CopyrightID
0x9c641c1ee78357f8ac19b3f40ad2bb6b1633458694b71092637c88904ee613c5 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ93L2200448.
Recording identifiers
- ISRC
- QZ93L2200448
- Title
- losing sleep
- Artist
- andy polk
- CopyrightID (CopyrightChains transaction hash)
0x9c641c1ee78357f8ac19b3f40ad2bb6b1633458694b71092637c88904ee613c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:38419f732a87433c0a34084dd949196af7e3daa2e3ec1e6f558d693d76e3f0c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ93L2200448
- Bitcoin block existence check
- https://blockstream.info/api/block/953520