OT-2026-000028040
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000028040) never changes.
Identity and time
| Publication number | OT-2026-000028040 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7237-9bc4-c611577c915c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028040 |
| Status | PUBLIC |
Content hashes
| Canonical text | 522e9f573381843211c4531d7f4f6ee7a1667b2d4bb7f168e49363fabe7af3d7 |
|---|---|
| Markdown | cb7bd5b5cd7d3004f8c8bf4d7794e2ad8235a68d618a7abd18b7adec65a197ba |
| Publication page | f76415e4ffe0b08a5d88ab8bbb8daa9640edb999c6f46da93fd790e8a3b2662d |
| Manifest | b87feeb593f3ba6cbfe00c32220be50a46e1367520a66a11779fd4989a888eae |
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 | rJXqDEJplhoYjUb4q5xxPXHJA7QOtumJSxDI/YQv6NREEnMikzYncMN43jBxxgwPi0XD/ES9Q1LCwmuBeEEwAw== |
| 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
| 2026-09-17T11:42:21.916662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028040observed f76415e4ffe0b08a5d88ab8bbb8daa96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:21.900308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028040/manifest.jsonobserved b87feeb593f3ba6cbfe00c32220be50a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:21.881909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028040/publication.mdobserved cb7bd5b5cd7d3004f8c8bf4d7794e2ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:21.863552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028040/publication.txtobserved 522e9f573381843211c4531d7f4f6ee7...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
| Custody package | Pending Custody packages are produced weekly. |
|---|