OT-2026-000013880
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000013880) never changes.
Identity and time
| Publication number | OT-2026-000013880 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-79fc-95c5-852a961b37fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013880 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5182760405e65d2bc1e23bee2ad7b9bda47f75ce7fbfe4ffb187e00db7496cc |
|---|---|
| Markdown | 8c4491773600e4637275c64ea8e51428ced0ea6732ee5f8e74e1242d7bef729f |
| Publication page | 15a30ef2ac241a2821821f0350965bd28a2c284a2d2d5ae198d620c1acc3bf9a |
| Manifest | e16cbba9e3facc3ae2150827ae22341e2da928ff9f5b7c0ff79ef31148e4a739 |
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 | yAlJpwuN1In2YFpjowOXpkcpWoHoRK4usBUJp06/6I06w0p+5XG1qBmdNWc4OezxWmISbisbpNM634Yuw9Z6DQ== |
| 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
| 2026-09-17T12:08:59.918696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013880observed 15a30ef2ac241a2821821f0350965bd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:59.899690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013880/manifest.jsonobserved e16cbba9e3facc3ae2150827ae22341e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:59.880903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013880/publication.mdobserved 8c4491773600e4637275c64ea8e51428...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:59.860938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013880/publication.txtobserved b5182760405e65d2bc1e23bee2ad7b9b...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. |
|---|