OT-2026-000004279
Publication integrity record
Porous face vacuum gripper, four zone face, two stage ejector, pressure verified at each zone
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-2026-000004279) never changes.
Identity and time
| Publication number | OT-2026-000004279 · never reused |
|---|---|
| Internal UUID | 01a0a913-109f-7134-8ef7-58d049d109db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:34.082588Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004279 |
| Status | PUBLIC |
Content hashes
| Canonical text | e7d57c08c3e37f1c1e2aea26c5fac26da301bb8fe5eebe57079810919d162d53 |
|---|---|
| Markdown | 767d60f4b60bc888afe9e50243dee62ab90fdb1a5c4fb156ef9db59a2eb69b44 |
| Publication page | 3b5e3947289ae821ea8da6de1f51f2f0f6721aac7c6c16f6dab8823dcf200351 |
| Manifest | 07517d8dca2b898cfc6b752bf42587de887f0a4617535fddca234460a452d858 |
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 | QmDsg1WgBhDKpMgymfGYWe//tcjon0BPAZ1GNsVuZZ8pkn83xJMScS1Kuly8zl0SKHax8ZpiO1m2oxQZJ2XzAg== |
| 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
| 2026-09-16T07:20:15.911444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004279observed 3b5e3947289ae821ea8da6de1f51f2f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:15.898408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004279/manifest.jsonobserved 07517d8dca2b898cfc6b752bf42587de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.884095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004279/publication.mdobserved 767d60f4b60bc888afe9e50243dee62a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.870892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004279/publication.txtobserved e7d57c08c3e37f1c1e2aea26c5fac26d...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. |
|---|