OT-2026-000078804
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000078804) never changes.
Identity and time
| Publication number | OT-2026-000078804 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-75e1-a509-acd29a01a4be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078804 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c5ee5320643caadaf7468ab4fcd3bf67ed2aac1505e184e0f8faf242a98e894 |
|---|---|
| Markdown | f357d17cea5a457cd05eaa4de5cc16c6f0690833407c8868a45a7b1d0f395f90 |
| Publication page | 2bd000ea9897558469ef996682f33cd0740d1aa0c84b749abc2119b5f6a5de76 |
| Manifest | 383c98d7fa77e149e91d2bec0a4d591a06528e968d9d8e5e96d3d8b0db165515 |
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 | IslwtRAMqUIgZgwzjpzvLjFE42CEBWH6RGol9wZeCQcpThr0U8LKiCVhuujV/4DhIVkZVyNPPydS2JXNRlDxCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:35.677797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078804observed 2bd000ea9897558469ef996682f33cd0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:35.658431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078804/manifest.jsonobserved 383c98d7fa77e149e91d2bec0a4d591a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:35.640861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078804/publication.mdobserved f357d17cea5a457cd05eaa4de5cc16c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:35.620971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078804/publication.txtobserved 1c5ee5320643caadaf7468ab4fcd3bf6...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. |
|---|