OT-2026-000078178
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000078178) never changes.
Identity and time
| Publication number | OT-2026-000078178 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c26-7c1c-8241-5ac8bfa9bdac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:07.483031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078178 |
| Status | PUBLIC |
Content hashes
| Canonical text | bcffd23aef28472004a1c9286e6431f7e57b9e44127859c63cf1074583c24574 |
|---|---|
| Markdown | b4d71cdac5b65bf2d89a5e0dd48fe2cc450cb1f7ace9bb7023860d0742603f30 |
| Publication page | dfdaed22a2097d8a1ea7c8de913cf26fef6f15e5181f115eab4765bd6a5d167c |
| Manifest | f7ea9d4cef0a73101175d0300dad98c1d5c488db9278405d9db3229a528fe905 |
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 | 7za7r1UonyQpthTMkDHz4KA4JHuUH2ZdXMFtXEWlP30iQenWjBHoCq4aJzYgPxjK9MSuwu9/w4furuGOVZUjBQ== |
| 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
| 2026-09-17T10:06:07.355427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078178observed dfdaed22a2097d8a1ea7c8de913cf26f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:07.333481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078178/manifest.jsonobserved f7ea9d4cef0a73101175d0300dad98c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:07.314596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078178/publication.mdobserved b4d71cdac5b65bf2d89a5e0dd48fe2cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:07.297612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078178/publication.txtobserved bcffd23aef28472004a1c9286e6431f7...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. |
|---|