OT-2026-000003687
Publication integrity record
Porous face vacuum gripper, three zone face, three stage ejector, contact triggered
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-2026-000003687) never changes.
Identity and time
| Publication number | OT-2026-000003687 · never reused |
|---|---|
| Internal UUID | 01a0a90a-bf11-7cbf-8a3e-d06a8092914b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:28.915949Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003687 |
| Status | PUBLIC |
Content hashes
| Canonical text | e73b980a8353257fbde9d7bf63d9d2b18ce99b1429cc47931ccbc4f114db1c1a |
|---|---|
| Markdown | 13635286893726a62de481975bb3ba790b517248df69ed3dc791a4d18e320233 |
| Publication page | 5691352728c047a7110caf02c8c0a6c4c7b7bf5165eb7c63e4283242c8b1aae2 |
| Manifest | bd199dfda222b6ee2b12db3ff478c5d15e6dfad1a1bccdb06a6ec7f3f039ce57 |
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 | jw+liOjWaa7AkMuSxvh2mvzBzMqfZZNCfgtvAWPT/8pD7etSBnkBdXSQuC1spEeS20eAyVDv9YolqWp9tE81Cg== |
| 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
| 2026-10-04T00:41:06.699984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687observed 5691352728c047a7110caf02c8c0a6c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T00:41:06.647661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687/manifest.jsonobserved bd199dfda222b6ee2b12db3ff478c5d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:06.591819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687/publication.mdobserved 13635286893726a62de481975bb3ba79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:06.480407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687/publication.txtobserved e73b980a8353257fbde9d7bf63d9d2b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:50.959125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687observed 5691352728c047a7110caf02c8c0a6c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:50.800704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687/manifest.jsonobserved bd199dfda222b6ee2b12db3ff478c5d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:50.649896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687/publication.mdobserved 13635286893726a62de481975bb3ba79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:50.416686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003687/publication.txtobserved e73b980a8353257fbde9d7bf63d9d2b1...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|