OT-2026-000007640
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000007640) never changes.
Identity and time
| Publication number | OT-2026-000007640 · never reused |
|---|---|
| Internal UUID | 01a0ae62-76bd-74f3-a13a-a3057f5a9a70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:01:23.688458Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007640 |
| Status | PUBLIC |
Content hashes
| Canonical text | c67345c4aa3497afe42ede9c8c7789be121fc2f2fa5cc9f339bf9f673e36cecc |
|---|---|
| Markdown | 789af111e153e8bfeefd214d82f05abe3e1e97eef666157192500a9ffb1f44b4 |
| Publication page | 8c4ca853d97c367cdf0f66649dd20d603abfcf520cb608dd08f41c179deea0dc |
| Manifest | 6344c4d9b05af58572ca19aa9e44c5ac7485f72e03ae5eb4190ab58925e818de |
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 | bCDkMDp/PPHJt7MMkicGjSRGdlITYMc10qjkHMPgYYEl/7ypSkoV0BDodkD0jFvdaBzzEZBZ5KVYJx5veTZaBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:07:02Z batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof root 8d90bf9341d96baa4328c218b6f85281... |
|---|
Independent retrieval
| 2026-09-17T08:10:15.493130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007640observed 8c4ca853d97c367cdf0f66649dd20d60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:10:15.472626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007640/manifest.jsonobserved 6344c4d9b05af58572ca19aa9e44c5ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:10:15.454744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007640/publication.mdobserved 789af111e153e8bfeefd214d82f05abe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:10:15.436465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007640/publication.txtobserved c67345c4aa3497afe42ede9c8c7789be...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. |
|---|