OT-2026-000004178
Publication integrity record
Porous face vacuum gripper, per zone isolation, two outlet manifold, ejector fed, 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-2026-000004178) never changes.
Identity and time
| Publication number | OT-2026-000004178 · never reused |
|---|---|
| Internal UUID | 01a0a910-f4ff-7c86-b763-37f2e56842c9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:15.939223Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004178 |
| Status | PUBLIC |
Content hashes
| Canonical text | e713d62678bc75759c28f0041d269d4606f2825494ec3eccae71f1797a6f2b19 |
|---|---|
| Markdown | bf7cbe21db7adbf9bd3cb6fce158586ec7c1685c73d3ebcc0cd47660da6d58e7 |
| Publication page | 7f8cd5ec0e352a455e8c0dfff3641322dde482bee6a3e41b4d432e87df928516 |
| Manifest | 961a5b8a0aeaaae0dda4feba04f599209e7850f44e1573005d9587f3c9b7888d |
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 | EoK8oOzgC4LSml5ZDID+LoEZcTJp4MtrEAubKVIjlQUae0/y8K/PFb39A5ke3FO5hy9gg5kUEidDseyMGwaOBw== |
| 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
| 2026-09-16T07:20:27.394884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004178observed 7f8cd5ec0e352a455e8c0dfff3641322...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:27.382699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004178/manifest.jsonobserved 961a5b8a0aeaaae0dda4feba04f59920...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.369708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004178/publication.mdobserved bf7cbe21db7adbf9bd3cb6fce158586e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.251144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004178/publication.txtobserved e713d62678bc75759c28f0041d269d46...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. |
|---|