OT-2026-000031856
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000031856) never changes.
Identity and time
| Publication number | OT-2026-000031856 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7b93-ae5f-e6d830f934fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031856 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19880aa60871862ffef0705dc728a2b839a40bde31e703da331bb99af12ca231 |
|---|---|
| Markdown | 08635f2a28d0aeb7f75cdf274a04667f42754f286555d8d6fa29e087188449c5 |
| Publication page | 0519d7e60aed229a0fef0857f99b5339e3809184913854419a0df12638621370 |
| Manifest | f42f16defe47d73a75b7f2c996e145149179d22c853499bb8d5a2d3275d4c503 |
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 | qL8mGEk2usFzUYmC7J+LXPMeUGLNsftEceME0PQSy9grsfHfGcw8B18hZsb9/ium22Fo24dtUVR6a902r+8kDA== |
| 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
| 2026-09-17T11:35:06.692672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031856observed 0519d7e60aed229a0fef0857f99b5339...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:06.672309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031856/manifest.jsonobserved f42f16defe47d73a75b7f2c996e14514...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:06.653451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031856/publication.mdobserved 08635f2a28d0aeb7f75cdf274a04667f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:06.629245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031856/publication.txtobserved 19880aa60871862ffef0705dc728a2b8...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. |
|---|