OT-2026-000028952
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000028952) never changes.
Identity and time
| Publication number | OT-2026-000028952 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-784c-9a37-631df294327e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028952 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3600aa4342083634c68f40e5fdfff95069de61098cc5af814ccc0dceb585165b |
|---|---|
| Markdown | f9e6fb5da34a9d1611f6920cacea8ba3b43194ebd25694c3ae2c96b3983ed64a |
| Publication page | 9947ccc5df2cfa7500142006d82a04c6fb6990bf8ee6bc156586a95be20d35db |
| Manifest | 21b0be5d75458f2279e2ac7c6fcf451dcca0a7e921010d16075c2db53903212e |
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 | X9VnRVhVrUcy84iUDFpJ5fIr4rYIR5fjQj68Vkx0T6AWSVw0yfbat1s4mw4igjJ92oqtyLk3GMKc6Ih75s70DQ== |
| 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
| 2026-09-17T08:20:25.741138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028952observed 9947ccc5df2cfa7500142006d82a04c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:25.720529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028952/manifest.jsonobserved 21b0be5d75458f2279e2ac7c6fcf451d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:25.703313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028952/publication.mdobserved f9e6fb5da34a9d1611f6920cacea8ba3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:25.681775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028952/publication.txtobserved 3600aa4342083634c68f40e5fdfff950...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. |
|---|