OT-2026-000078810
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-2026-000078810) never changes.
Identity and time
| Publication number | OT-2026-000078810 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-7535-afc2-7c20452d9936 · 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-2026-000078810 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd36bf166a86dd6037f4364db78b664deb0244209c5ae834c736fffa0bc16d94 |
|---|---|
| Markdown | 4ec68b34e8a361f69b5bcf4a750d0b57dadcd67ff6853b68222a21213b41ba97 |
| Publication page | 92b0458787e087a52a6203ba6087504d71217e56b627c7e00ee408f2b14b6504 |
| Manifest | 3a7f526791bbf4604a10d30b32556e59b5c547ef98d0fed8409c107d25df3e5d |
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 | 5GNiUdY81Uj8/d5FswwHJEtQ4WBcb8466sAef7a2qFqH4lQu+6G05XWRvBwk2Y8n1mPECb0WKmq7EekY1b+oAw== |
| 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
| 2026-09-17T10:05:36.091736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078810observed 92b0458787e087a52a6203ba6087504d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:36.073334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078810/manifest.jsonobserved 3a7f526791bbf4604a10d30b32556e59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:36.054434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078810/publication.mdobserved 4ec68b34e8a361f69b5bcf4a750d0b57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:36.034512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078810/publication.txtobserved dd36bf166a86dd6037f4364db78b664d...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. |
|---|