OT-2026-000048339
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000048339) never changes.
Identity and time
| Publication number | OT-2026-000048339 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de4-7264-8522-94f29ed12aba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048339 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c472c364cdbceb24544c2975ed5d562a4b80fb7afb9d8f982853be3d7c2bba3 |
|---|---|
| Markdown | 97f2b734e5f32ba6783ee96423b2fe66e6112f36dee1c6fa51b0855c4f2e6608 |
| Publication page | c25e7ddcc4972f8f6922af238ae74872dd11c6fd7f60142d04b5cb6db308425b |
| Manifest | 686e7c94c7beb233b7b5042148dabed3f6bf4e0aa8777416b4851584c8ca28a6 |
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 | ojN3V1OCWu8aDU8WOc97vi6bpOqEmkLerLuATJ06B4xoq6FBobL8GoUDnXq0XXstmZPiJbhxoVDKkFLPpl6WAg== |
| 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
| 2026-09-17T11:04:56.895632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048339observed c25e7ddcc4972f8f6922af238ae74872...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:56.876998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048339/manifest.jsonobserved 686e7c94c7beb233b7b5042148dabed3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:56.847496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048339/publication.mdobserved 97f2b734e5f32ba6783ee96423b2fe66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:56.827956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048339/publication.txtobserved 9c472c364cdbceb24544c2975ed5d562...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. |
|---|