OT-2026-000004259
Publication integrity record
Vacuum cup gripper, per zone isolation, three outlet manifold, pump fed, pressure verified, 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-2026-000004259) never changes.
Identity and time
| Publication number | OT-2026-000004259 · never reused |
|---|---|
| Internal UUID | 01a0a912-beeb-78ef-994f-c0e64dbe72f1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:13.166564Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004259 |
| Status | PUBLIC |
Content hashes
| Canonical text | d03954545dea893a3bb3937682e365ae18ac5b10eea430b82fbddc9fc350cc8e |
|---|---|
| Markdown | 4f72790de46c32406e7b3ae63b8428f95f257cbe63b05b2dbbeaeb26deb9c099 |
| Publication page | 22829ef9eca6ec5628175c3ac38091b12c30a2adab3a274986742f80ea4e84a3 |
| Manifest | 9c9ec051e1adf9891b5c094cfb79b1346a6061810d5233efe2b8d34808a5ee5d |
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 | oK9LHzBOjcP6mt10AJwpmHyq73UaVAwXH1Fq6Zx5tvf9B1sQBAvJh/JrHmQ0nvMoS2uiiT8Jk6FD/CgIpVw/AA== |
| 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
| 2026-10-21T12:42:05.776635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259observed 22829ef9eca6ec5628175c3ac38091b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T12:42:05.703593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259/manifest.jsonobserved 9c9ec051e1adf9891b5c094cfb79b134...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:42:05.652395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259/publication.mdobserved 4f72790de46c32406e7b3ae63b8428f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:42:05.532698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259/publication.txtobserved d03954545dea893a3bb3937682e365ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:36.919394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259observed 22829ef9eca6ec5628175c3ac38091b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:36.834465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259/manifest.jsonobserved 9c9ec051e1adf9891b5c094cfb79b134...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:36.761573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259/publication.mdobserved 4f72790de46c32406e7b3ae63b8428f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:36.607767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004259/publication.txtobserved d03954545dea893a3bb3937682e365ae...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 |
|---|