OT-2026-000028023
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028023) never changes.
Identity and time
| Publication number | OT-2026-000028023 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-77e5-8e1a-99ea2bd35edb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028023 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5d42a448a1f91b37dc55e886ce52c8fb6b726dae6beb642abe2c70ebf0272259 |
|---|---|
| Markdown | a6ba20420dabdaf8b25fa50524b1014e696948eee69816cd52d6316344bb4eee |
| Publication page | 65613dc55149b3df5b0bd4566735700c5cfb80ebd1ef37848b7b43d69ce6a449 |
| Manifest | 7104e01468f0c7ad35f10292b0f42429f2679abd9573d86eb5b6794964ec64f8 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 7vweBV/piqK0cxiPUh92QT6kdjTPPQWMNVsZznkDWrKIPDx2ZWEfmtVfSqqUbjtGfcpHcBPvNldDonvzkOWoCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:20.615724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028023observed 65613dc55149b3df5b0bd4566735700c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:20.596017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028023/manifest.jsonobserved 7104e01468f0c7ad35f10292b0f42429...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.576712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028023/publication.mdobserved a6ba20420dabdaf8b25fa50524b1014e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.556025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028023/publication.txtobserved 5d42a448a1f91b37dc55e886ce52c8fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|