OT-2026-000004440
Publication integrity record
Porous face vacuum gripper, three outlet manifold, three stage ejector, pressure verified, open cell
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-2026-000004440) never changes.
Identity and time
| Publication number | OT-2026-000004440 · never reused |
|---|---|
| Internal UUID | 01a0a917-ce1f-7092-94ee-47ac7e71e2eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:44.741587Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004440 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e99be1cdd289d0ea77acc4d6cb2644b266cd030ae7cac91f1c5bb012dd71402 |
|---|---|
| Markdown | 5c230987540dcdd25ac56700dddd7e1de99bd69ad2a23f6efeba1fb57f248adc |
| Publication page | 84aaad80f2e3f990767a9c5df1647c88195cdc01cdbceec1cc2160240ab08c17 |
| Manifest | c5b0dfd2540225d9455e93eef2180aebee75b84da5dda6321062974ba99f2834 |
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 | n2PHmWvnjgJv6ZRTJ8n6pucrqJxW5McGz84ofVRNN5olutbW/H14orGlGsTgKDk8FF13BorziZ9lSBzp8z0VAQ== |
| 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
| 2026-09-16T07:30:27.377046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004440observed 84aaad80f2e3f990767a9c5df1647c88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.246406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004440/manifest.jsonobserved c5b0dfd2540225d9455e93eef2180aeb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.232337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004440/publication.mdobserved 5c230987540dcdd25ac56700dddd7e1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.218116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004440/publication.txtobserved 2e99be1cdd289d0ea77acc4d6cb2644b...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. |
|---|