OT-2026-000031216
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031216) never changes.
Identity and time
| Publication number | OT-2026-000031216 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7328-a2f5-dcfe265e5157 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031216 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2620b39a1170588a1ba0b561ea442a1ca955ab7e1f6a228b3c37ae99402c8581 |
|---|---|
| Markdown | 7c92d18c2472b7352a1c6e0db3f75ebbbb819c42bb9c0ec42495450ce8d3ab98 |
| Publication page | 8ba57166edad19189d186df5dbb6de020003983fc76d43f143c86ec72f864380 |
| Manifest | 08aca37eda00a3753cf687d54f4097f69e2b7b7ce7e05b5efff7870c5d24178e |
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 | O6gVu9RuQStSzQzRkA1iclus4BDCyuUF0UA9VusTfObrBCYSqZ9p0uaoXwMOAJXmHkm/C919J63cgyUk3gW3AA== |
| 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
| 2026-09-17T11:35:46.917096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031216observed 8ba57166edad19189d186df5dbb6de02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:46.900630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031216/manifest.jsonobserved 08aca37eda00a3753cf687d54f4097f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:46.881841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031216/publication.mdobserved 7c92d18c2472b7352a1c6e0db3f75ebb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:46.863103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031216/publication.txtobserved 2620b39a1170588a1ba0b561ea442a1c...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. |
|---|