OT-2026-000078050
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000078050) never changes.
Identity and time
| Publication number | OT-2026-000078050 · never reused |
|---|---|
| Internal UUID | 01a0ae95-6e8c-7e29-ae10-3870e8198b62 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:03.897850Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078050 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ba5317f89f00b9dcdf0c209402532de62378e7ee4771e17fba1e1fe93e221b1 |
|---|---|
| Markdown | 1f0a222b9977da0f2ea53e19d4518952933de70bbdfbe561920d04fa8d62e403 |
| Publication page | 45be7458fad830ae2ddefc6d9fdcd105c1a328ff322758a105c39e05f650a838 |
| Manifest | 155301a743158b8886887ad605de53531fdb068096b1d8d34784e3b00caa7bea |
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 | qXpJfANNX9+kIBM4tHE8WMF1iW8/MtVn7tk/nOBR8t+1KeDq30UOe6g8HVEcBVo2kFznoaYTIxSdJvBIXF5bDQ== |
| 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
| 2026-09-17T10:06:45.227034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078050observed 45be7458fad830ae2ddefc6d9fdcd105...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:45.207649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078050/manifest.jsonobserved 155301a743158b8886887ad605de5353...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:45.187910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078050/publication.mdobserved 1f0a222b9977da0f2ea53e19d4518952...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:45.167920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078050/publication.txtobserved 4ba5317f89f00b9dcdf0c209402532de...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. |
|---|