OT-2026-000028280
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained blow-off before set-down, on a tool changer
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-2026-000028280) never changes.
Identity and time
| Publication number | OT-2026-000028280 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7242-8b72-cced1bb7ce43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028280 |
| Status | PUBLIC |
Content hashes
| Canonical text | 96403111cf4a1454c4f82f73d69a3581024f090b0cbf279ac2e4c1819a5e1f09 |
|---|---|
| Markdown | 590e7bbf51321a0638cf0dda3ef323b7c4398792660f1c7ea6c438f6cca8ece6 |
| Publication page | 4c616f9fd58190c397dda2688ef419d801f27ece2e6d1284a5f031685a5acdd9 |
| Manifest | 87cea0f25c29e7a28e27102ca334a891311cb481dd684ec1c421594952cea153 |
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 | jqmQ5d0YevU5oDAfbwrSknURm4+kBVIqQ665NJHktRXYNXSQsdX+8ljm1lPP52wqnDIeJEtRbXE21bVJU34MCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:07.056160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028280observed 4c616f9fd58190c397dda2688ef419d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.039018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028280/manifest.jsonobserved 87cea0f25c29e7a28e27102ca334a891...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.021096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028280/publication.mdobserved 590e7bbf51321a0638cf0dda3ef323b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.000702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028280/publication.txtobserved 96403111cf4a1454c4f82f73d69a3581...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. |
|---|