OT-2026-000004143
Publication integrity record
Porous face vacuum gripper, two zone face, two outlet manifold, ejector fed, contact triggered
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-2026-000004143) never changes.
Identity and time
| Publication number | OT-2026-000004143 · never reused |
|---|---|
| Internal UUID | 01a0a90f-7c6d-7b21-89ed-11fbb8e4b116 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:39.537074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004143 |
| Status | PUBLIC |
Content hashes
| Canonical text | 05bd38f7bada112dd9053492cba4f740bd62e693ab3ee5546e811e37c0cc4f13 |
|---|---|
| Markdown | 6bc9bd12b29f1d1d0fb73b2515db0c279ea76ba4916ef98fd288105a34858fba |
| Publication page | c4b913fe4a56108e44013194d8e3b955adffd54c36f9b11d0ded3ec088fa6d3b |
| Manifest | 7dbe063b4261ca5549f8a975b60d76982149bb065e4ebbdd86dad6c3a9f1e489 |
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 | COemKD6JDPMbtEty6wGA59hFhIHQbP82IAgCYC/cNHPJsirLzXjEJpowQ57JlLUTkJ7LXLDx/bqK+hiU8+zABQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:31.484103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004143observed c4b913fe4a56108e44013194d8e3b955...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.471662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004143/manifest.jsonobserved 7dbe063b4261ca5549f8a975b60d7698...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.455588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004143/publication.mdobserved 6bc9bd12b29f1d1d0fb73b2515db0c27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.440587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004143/publication.txtobserved 05bd38f7bada112dd9053492cba4f740...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. |
|---|