OT-2026-000019731
Publication integrity record
Three cup vacuum gripper, three zone face, three 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-2026-000019731) never changes.
Identity and time
| Publication number | OT-2026-000019731 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-71d7-af31-d8e0ae56bdbd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019731 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca3e839589282f1b6b669c850b423e8818be76c390ee9444bc1b64d5586db7ed |
|---|---|
| Markdown | dfd5311a26b7607cfa0610f7df352d5943987dd51465bcbf0b84fedaa1bc609f |
| Publication page | daadb634fa5b994acc5eca76e11ec1de1d38037b0d065b4514967bf74ff0873c |
| Manifest | ac4b96d567dba14fa6273480b84de70e0b85b02a4e5846d1ed267e45f8f1ca3d |
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 | +u4ioU1OB8v5FTiazfcNnJWTOkdJ7fytWlunwAQ6qcYxpNnqv4fBEGwU5hTtU1+TYyPgV3PFEf9H5lpcWOJMAw== |
| 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
| 2026-09-17T11:57:49.276644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019731observed daadb634fa5b994acc5eca76e11ec1de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:49.256670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019731/manifest.jsonobserved ac4b96d567dba14fa6273480b84de70e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:49.238555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019731/publication.mdobserved dfd5311a26b7607cfa0610f7df352d59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:49.220515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019731/publication.txtobserved ca3e839589282f1b6b669c850b423e88...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. |
|---|