OT-2026-000004394
Publication integrity record
Vacuum cup gripper, three zone face, three stage ejector, sustained blow off before set down
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-2026-000004394) never changes.
Identity and time
| Publication number | OT-2026-000004394 · never reused |
|---|---|
| Internal UUID | 01a0a916-2bc8-71d3-a999-5854ebbabf15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:57.643448Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004394 |
| Status | PUBLIC |
Content hashes
| Canonical text | e56769d13e483ff35f2b80df4243eec08b83931691ce797c61dd56220b51dc1f |
|---|---|
| Markdown | 9bab4ce359b3ebb82f46feee0faa47d1bff6d6dbecbb31ca0d7ed497c55709e9 |
| Publication page | 87c35c2aa54dfdfd2bc6728fa6a5bab00b499a8042742d9537f13207a433dfc2 |
| Manifest | fc8a3f9821d28a4c244ac0ed1d672615f7f5709ce1e77bc089052c0a7b253dd0 |
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 | gWABNoIga1bH1dFVHQKXEmr/2CBX1p9zm+azeqi6Bja2OGjb3kFfvduzfMbn7UjRKa3u5+ygNUNA6ZQERUdEDQ== |
| 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
| 2026-09-17T00:43:03.754339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394observed 87c35c2aa54dfdfd2bc6728fa6a5bab0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T00:43:03.510691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394/manifest.jsonobserved fc8a3f9821d28a4c244ac0ed1d672615...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:43:03.236180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394/publication.mdobserved 9bab4ce359b3ebb82f46feee0faa47d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:43:02.954153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394/publication.txtobserved e56769d13e483ff35f2b80df4243eec0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.739264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394observed 87c35c2aa54dfdfd2bc6728fa6a5bab0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.714214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394/manifest.jsonobserved fc8a3f9821d28a4c244ac0ed1d672615...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.689888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394/publication.mdobserved 9bab4ce359b3ebb82f46feee0faa47d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.677417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004394/publication.txtobserved e56769d13e483ff35f2b80df4243eec0...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
| 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 |
|---|