OT-2026-000018950
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000018950) never changes.
Identity and time
| Publication number | OT-2026-000018950 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-77cd-9643-7970412c1029 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018950 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e63613f7dd4ac6dca45f3e575e58c6b1b2884eba71824c8fba09f5e2aaf25d8 |
|---|---|
| Markdown | 0cafaaf94a5cda4d2ccc414f60041a1949a26485904d43212732f7ece0348734 |
| Publication page | 22d55ef1945089895293721658f69bb92da8b68fcd6dca8497ab26725cde7416 |
| Manifest | 351ae8bb71d7fb039fa91c6ee7bf3589f6166dec6e134e3bc0ee1f10f32efc8a |
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 | bUyKQmf1NAMo3rat0/z5e0rriakYQ0z+KhCMrXOCdmXXw8cjT/l0FIV0ocWU1JelZ/BnezoVNWAdSvwxy/DHBg== |
| 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
| 2026-10-20T12:42:09.793222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950observed 22d55ef1945089895293721658f69bb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:42:09.725229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950/manifest.jsonobserved 351ae8bb71d7fb039fa91c6ee7bf3589...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:42:09.675085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950/publication.mdobserved 0cafaaf94a5cda4d2ccc414f60041a19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:42:09.600222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950/publication.txtobserved 2e63613f7dd4ac6dca45f3e575e58c6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.988240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950observed 22d55ef1945089895293721658f69bb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.972489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950/manifest.jsonobserved 351ae8bb71d7fb039fa91c6ee7bf3589...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.955602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950/publication.mdobserved 0cafaaf94a5cda4d2ccc414f60041a19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:12.927699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018950/publication.txtobserved 2e63613f7dd4ac6dca45f3e575e58c6b...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 |
|---|