OT-2026-000028166
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000028166) never changes.
Identity and time
| Publication number | OT-2026-000028166 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7a61-87c5-587eee5702dd · 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-2026-000028166 |
| Status | PUBLIC |
Content hashes
| Canonical text | b78ce24a048c999708c291d2c8236ec3df75981935e37900af7b832f2240633b |
|---|---|
| Markdown | de2112b69a2b37f3891d1aba6bf3f8240f0d3d50c62ca3599bc247a88a1fa25f |
| Publication page | d9cea112b365a0ea9cdc9b627d7e9366fcd24c8aeffdf9b0cb0b1429240fe638 |
| Manifest | b2423d4a60f1142a769d054e49da0b372f8afaf5960dc822987a52437e69ac2c |
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 | ewwbBqJX92KL3RoY2qNM9ZjNku9djqjMyij+p3xoyHoKWhSWwmhLzboOKwL7Yb41luQjuTnEBrL9w6nHrmdeDQ== |
| 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
| 2026-09-17T11:42:31.266847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028166observed d9cea112b365a0ea9cdc9b627d7e9366...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:31.249382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028166/manifest.jsonobserved b2423d4a60f1142a769d054e49da0b37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.231891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028166/publication.mdobserved de2112b69a2b37f3891d1aba6bf3f824...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.215814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028166/publication.txtobserved b78ce24a048c999708c291d2c8236ec3...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. |
|---|