OT-2026-000004173
Publication integrity record
Porous face vacuum gripper, common isolation valve, two outlet manifold, three stage ejector, pressure verified
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-2026-000004173) never changes.
Identity and time
| Publication number | OT-2026-000004173 · never reused |
|---|---|
| Internal UUID | 01a0a90f-f14d-76e0-90b4-178bc9c0480d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:09.457076Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004173 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9df0e69130be7f438f428852ab94d080b19ee454229ca8bdfb8972ce93fb74f4 |
|---|---|
| Markdown | 7841ed1fd2430c8c7221d12373c988c6b047fb19e3a5ebc26ed7911105e43408 |
| Publication page | fa3e03c558008e11b7ff42d0aa2d912a777096fa06a7adba55d4108a0948c3b9 |
| Manifest | 777d64476e46a4f98caa10f47affbeba157207be15d450dddea3016d54e2002f |
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 | QibAFRb/JzMiGqOOvm/z/3UYnC//F4M0DbJKCfeP5hG7u59b9z4pRQ4ijJOUe8UhYmLVEQAQZUfExOe3Mn7AAg== |
| 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
| 2026-09-16T07:20:28.155016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004173observed fa3e03c558008e11b7ff42d0aa2d912a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:28.140414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004173/manifest.jsonobserved 777d64476e46a4f98caa10f47affbeba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.123171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004173/publication.mdobserved 7841ed1fd2430c8c7221d12373c988c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.987728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004173/publication.txtobserved 9df0e69130be7f438f428852ab94d080...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. |
|---|