OT-2026-000028794
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000028794) never changes.
Identity and time
| Publication number | OT-2026-000028794 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7d69-8f1d-4a5230e0a95c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028794 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cdb016f2bab18d5fb75d906112fd9e22aa571d8b77ffe20adbc42bc537ba6cd |
|---|---|
| Markdown | 1d8a74fc96c0414560950c5913934179fd9df3a804dc958c2414dd0d9ded11d4 |
| Publication page | 1b1f952ec452db96216d283f798fb6e2ec1445c8799a1e5fb518c429899de153 |
| Manifest | 487db328b4fcd31b60a74dbea82c1e3d10886f0dd24c2202924403b96b6a97c3 |
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 | yVw3QyrBRbYCSLExzuZNsZ6yVii0KMvzwuSLvG7njLNdy8WD0JOzxzkiurUX2NCPl8zgxWrH/POZL5mSQuiBCQ== |
| 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
| 2026-10-28T00:41:25.657034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794observed 1b1f952ec452db96216d283f798fb6e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:25.584629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794/manifest.jsonobserved 487db328b4fcd31b60a74dbea82c1e3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:25.456426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794/publication.mdobserved 1d8a74fc96c0414560950c5913934179...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:25.289981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794/publication.txtobserved 8cdb016f2bab18d5fb75d906112fd9e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:16.127683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794observed 1b1f952ec452db96216d283f798fb6e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:16.111337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794/manifest.jsonobserved 487db328b4fcd31b60a74dbea82c1e3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:16.094317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794/publication.mdobserved 1d8a74fc96c0414560950c5913934179...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:16.076189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028794/publication.txtobserved 8cdb016f2bab18d5fb75d906112fd9e2...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 |
|---|