OT-2026-000078818
Publication integrity record
Single bellows cup vacuum gripper, pump 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-2026-000078818) never changes.
Identity and time
| Publication number | OT-2026-000078818 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-727e-92f7-1af00e9db1a2 · 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-2026-000078818 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ae72c935575bc4c634fb1478a6776171530170fc43bbaf6584e9a3da9c4f5c7 |
|---|---|
| Markdown | ef1ef992916afd39e87cfb017c61b1efd5d10c9987e17670aa2ffafe49da181d |
| Publication page | 65401bf368ba704cedb0c40851aa7dc09f0a5a1010b9a9220be8364fbcdab93f |
| Manifest | a08a6951ddba42fabc95b81700f6d18c856d77e8aaccbc630a10e58d0ddf46ab |
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 | o4zp004jkPCgkuac0ie/APfa2TyZSKaWnQGP0RzikTA1zcuRLlJRKD8aFer6aNCYAaEwYQMjurvhYkQNtR7FCg== |
| 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
| 2026-09-17T10:05:36.943770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078818observed 65401bf368ba704cedb0c40851aa7dc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:36.926458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078818/manifest.jsonobserved a08a6951ddba42fabc95b81700f6d18c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:36.908644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078818/publication.mdobserved ef1ef992916afd39e87cfb017c61b1ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:36.890733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078818/publication.txtobserved 8ae72c935575bc4c634fb1478a677617...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. |
|---|