OT-2026-000091039
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091039) never changes.
Identity and time
| Publication number | OT-2026-000091039 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-763b-8db2-661f634ba6b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091039 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2019c6b9df563706249f589669e6d6d6b03012c3853c5cf03ac74eb81b3cb4e4 |
|---|---|
| Markdown | 40706fc86f3618d6b5c71311146f1d0364f2ae0350624fdecd3982b75bb17919 |
| Publication page | df1aa4e4f113bc8a57de1fb5726c3723a3b3843855bc8ed167836b85ed30dde5 |
| Manifest | 3796b55efaeca4e776fd35469b01b1ea0404d852c7dc24661111028b3d0fcf66 |
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 | bpVHV9iqSvWJE1JfOxT0z3/6hMnj+NbONZvXWpFRq9jG4UteGH00JOEFkwcR9QP6Z0FKeTg8hfdYkRVXfEkaBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:17.028643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091039observed df1aa4e4f113bc8a57de1fb5726c3723...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:17.009775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091039/manifest.jsonobserved 3796b55efaeca4e776fd35469b01b1ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:16.991379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091039/publication.mdobserved 40706fc86f3618d6b5c71311146f1d03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:16.973259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091039/publication.txtobserved 2019c6b9df563706249f589669e6d6d6...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. |
|---|