OT-2026-000004435
Publication integrity record
Bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector
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-2026-000004435) never changes.
Identity and time
| Publication number | OT-2026-000004435 · never reused |
|---|---|
| Internal UUID | 01a0a917-a0e7-7caa-b217-d195a1061416 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:33.162350Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004435 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8e4ce2a558f50823cd97edecc9c44b7400598948e8c978959fd07e5dbaa4722 |
|---|---|
| Markdown | f04c2a3349570cc059120add59eac0cb448c3fc795977377c550798528f775dc |
| Publication page | 651d833476cb07ac9f61ca98c5058cc0d994f362446b7691ef9947fa5c635db1 |
| Manifest | fa6abab38a52ea243b2ad2fc9f9dc06d11d104a92a8073633c910e45a2d5d175 |
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 | OGQUVeKBnc0r3U1PT2+6egRCRbaDwi5e4uirB1gbChoOPsnudEiZ+I7qO9i3jbhEcPRIRUr3GllMei+JEiNiAg== |
| 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
| 2026-09-16T07:30:27.907710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004435observed 651d833476cb07ac9f61ca98c5058cc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.894205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004435/manifest.jsonobserved fa6abab38a52ea243b2ad2fc9f9dc06d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.878158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004435/publication.mdobserved f04c2a3349570cc059120add59eac0cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.741145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004435/publication.txtobserved e8e4ce2a558f50823cd97edecc9c44b7...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. |
|---|