ISRC GBTMZ1800726
Verified recording
GBTMZ1800726 is “Left Behind” by Polygon,
registered on the CopyrightChains blockchain with CopyrightID
0xa13cf83b4600e2ae2541dffc037d4441cc2a31868c9846dcda0f78072cd2074e and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBTMZ1800726.
Recording identifiers
- ISRC
- GBTMZ1800726
- Title
- Left Behind
- Artist
- Polygon
- CopyrightID (CopyrightChains transaction hash)
0xa13cf83b4600e2ae2541dffc037d4441cc2a31868c9846dcda0f78072cd2074e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:40af8624807cdcfd7fd741a1c7c09ac6ec9dfdc2b3d70de7f93f61385c1667d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBTMZ1800726
- Bitcoin block existence check
- https://blockstream.info/api/block/959123