OT-2026-000004387
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, plant vacuum fed
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-2026-000004387) never changes.
Identity and time
| Publication number | OT-2026-000004387 · never reused |
|---|---|
| Internal UUID | 01a0a915-f482-70e4-a6e3-0e82286359dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:43.493324Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004387 |
| Status | PUBLIC |
Content hashes
| Canonical text | 67cfc10ba58cbe1ac4d02d606d142491901a105995b2ef3268106ec09747b16f |
|---|---|
| Markdown | be7860f94004c5aed35fc39983a960776b6bd779f79c5ea1c8249093c35e1df0 |
| Publication page | 5be50b8e5779d89cb2263b83eabadc92101dbd3d61acfd93d43c62f1b995ccac |
| Manifest | 1f682e0c7ef711a5ddb7b87245eaa0098fd571d0c08205430f457531f2c43d7d |
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 | 8he2mUUJsIXRz+MLugSmgvCEJ912NY1AsWU2EO+Y5/oTlV8gSeYew5an4E2YjzoElnosdfdRFXOhqGGNY9k1Ag== |
| 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
| 2026-09-16T07:20:03.648935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004387observed 5be50b8e5779d89cb2263b83eabadc92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:03.635554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004387/manifest.jsonobserved 1f682e0c7ef711a5ddb7b87245eaa009...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.619784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004387/publication.mdobserved be7860f94004c5aed35fc39983a96077...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.484406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004387/publication.txtobserved 67cfc10ba58cbe1ac4d02d606d142491...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. |
|---|