OT-2026-000004355
Publication integrity record
Bellows cup vacuum gripper, two 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-2026-000004355) never changes.
Identity and time
| Publication number | OT-2026-000004355 · never reused |
|---|---|
| Internal UUID | 01a0a914-fa61-7abe-aecd-b58ed495d15c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:39.460717Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004355 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1bdaaf34daca431f93ba91cb2ab372156d5a8172066e8805fc7e18a0993355cb |
|---|---|
| Markdown | 121ab18a21292a62adbaab13acb0edc162c43abe8d654d7234091a1eba701884 |
| Publication page | 725f50fbd9a0a514b777f5ab575a1b5583bfc05ee34d68f15c5abd490521af9d |
| Manifest | 7c41c6e114dcf6e0e21ab1b0866ef686e9f7fa1eb136213f1bebecf58eb697dd |
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 | YZem0Jhu/Dy2zO28hAHry/b5EgopEX+KxvE3PJx2MzUJp7wHUhOTW+3mQpENMFHT6zzphyXuofU/9WOawjdRDA== |
| 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
| 2026-09-16T07:20:07.237893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004355observed 725f50fbd9a0a514b777f5ab575a1b55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:07.223892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004355/manifest.jsonobserved 7c41c6e114dcf6e0e21ab1b0866ef686...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:07.207446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004355/publication.mdobserved 121ab18a21292a62adbaab13acb0edc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:07.193563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004355/publication.txtobserved 1bdaaf34daca431f93ba91cb2ab37215...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. |
|---|