OT-2026-000004218
Publication integrity record
Porous face vacuum gripper, common isolation valve, three 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-2026-000004218) never changes.
Identity and time
| Publication number | OT-2026-000004218 · never reused |
|---|---|
| Internal UUID | 01a0a911-9a9a-7f4d-8a15-73e5d52ea604 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:58.333926Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004218 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5eadfb97b78b7706a1948c08759b42f754a490057ccca2bd2eb0c46faecfa7f |
|---|---|
| Markdown | c9e03d4352b9d4c9c891eb82ea3c9456b983b9901f3892b7f049205f074d8a55 |
| Publication page | 84820c8f8a13d78ae6bb1607332804cd7b945afd7442a175bea93885ba818406 |
| Manifest | 89c37ab82fe93c2b4ed3dc5499f9b487d5a53571911c22fe07c0e219c3acc0f1 |
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 | CoiQ5p9jbyRD35KbzZDtjXLfgvnBS02lyArCPDShNmZAeLCL3sUgKT2oD0F8WaAb1vKMocW9lNEiHWj0acnFCw== |
| 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
| 2026-09-16T07:20:22.720951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004218observed 84820c8f8a13d78ae6bb1607332804cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.707995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004218/manifest.jsonobserved 89c37ab82fe93c2b4ed3dc5499f9b487...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.692960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004218/publication.mdobserved c9e03d4352b9d4c9c891eb82ea3c9456...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.676434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004218/publication.txtobserved d5eadfb97b78b7706a1948c08759b42f...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. |
|---|