OT-2026-000031028
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000031028) never changes.
Identity and time
| Publication number | OT-2026-000031028 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7d1e-9e6e-cbaa11c4db2d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031028 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbb5aafc02dc0b453f1c798e289f07acf5a392c9847ec5ab40f79eaecd792a11 |
|---|---|
| Markdown | 85151ecbf0520e5476227449703670c2879ecc6cbe2f1bda23caa284351ae750 |
| Publication page | 3779f8db6245185e28cd61ce00f6ff0054a6a4adf7646be7edaecb3001ad7561 |
| Manifest | 16ecc848960899a568ea5400adb51af0ce0af2bb057fdfbb2e9ae85e44a447ec |
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 | JBz9ZfF1n/1U914i2NA5m98M0HTkRv4FxwQTCnIa/8N0PSBIYiP8/GKrIVjZpmU5GliPY7YlWe8SMkLgkGL2Bw== |
| 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
| 2026-09-17T11:40:07.482209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028observed 3779f8db6245185e28cd61ce00f6ff00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.465480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028/manifest.jsonobserved 16ecc848960899a568ea5400adb51af0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.447939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028/publication.mdobserved 85151ecbf0520e5476227449703670c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.430188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028/publication.txtobserved dbb5aafc02dc0b453f1c798e289f07ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:36.388021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028observed 3779f8db6245185e28cd61ce00f6ff00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:36.371347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028/manifest.jsonobserved 16ecc848960899a568ea5400adb51af0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:36.353784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028/publication.mdobserved 85151ecbf0520e5476227449703670c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:36.338198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031028/publication.txtobserved dbb5aafc02dc0b453f1c798e289f07ac...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. |
|---|