OT-2026-000043686
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043686) never changes.
Identity and time
| Publication number | OT-2026-000043686 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92d0-76bb-a14e-ef84cc9f7907 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043686 |
| Status | PUBLIC |
Content hashes
| Canonical text | acdd8c1bce9f44b477865b2f54e8c7d883c589524dff074a78cf9d6dcc21405f |
|---|---|
| Markdown | a274abc3bb8d6fdfb92e7821757cefa47ce64b8fc31337c5f3c2a0dc9b49f6b8 |
| Publication page | 52d4d0b9ff3ed625dbc6532fe1ffc5c0f6dab07b5b0fe71f69d646d62a69a45f |
| Manifest | 24772f86db0287b1b18fb80f3820bc930e2ce5d4b43c3d70bcb01aba9f234173 |
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 | Ctt8KL15JpkocDgmS6HHGXTA07zWvTpZOb7rIVvbVJ8t1J/E3QAC1PvjWO8aRBvUGQagX4bVW/7J1ghOsgSoDA== |
| 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
| 2026-09-17T11:13:10.649931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043686observed 52d4d0b9ff3ed625dbc6532fe1ffc5c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:10.631304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043686/manifest.jsonobserved 24772f86db0287b1b18fb80f3820bc93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:10.606767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043686/publication.mdobserved a274abc3bb8d6fdfb92e7821757cefa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:10.580826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043686/publication.txtobserved acdd8c1bce9f44b477865b2f54e8c7d8...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. |
|---|