OT-2026-000028602
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000028602) never changes.
Identity and time
| Publication number | OT-2026-000028602 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7002-90c3-e482bb5ea1cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028602 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0624bc742023bea69d30b4cee6d248167af7d2cfa8dd5b66e3ca1022c53cf992 |
|---|---|
| Markdown | 63c08c9e911aff2ba33c5dcbf9838ee3f5f41a3631eaa8d4a9b1c7a794e3b6a1 |
| Publication page | 60430e87d09da5b568e74f6a5d516a02da733d31c32f79407406714a2f407ca7 |
| Manifest | 8aea15ec92c38045de76cc3d2c8cc19e32bb7d5e644ae0e6ba7f6db069ca8b0a |
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 | qHJZAUAp0yoP1ovFZY66jm4TJDplEZ61XnUO13Q3lVsBT7hHGdmUYeHrkZ8iAuXr6NJgS1pmWIhRBNf6J+dXAA== |
| 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
| 2026-09-17T11:41:27.618605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028602observed 60430e87d09da5b568e74f6a5d516a02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:27.596819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028602/manifest.jsonobserved 8aea15ec92c38045de76cc3d2c8cc19e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.577729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028602/publication.mdobserved 63c08c9e911aff2ba33c5dcbf9838ee3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.558032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028602/publication.txtobserved 0624bc742023bea69d30b4cee6d24816...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. |
|---|