OT-2026-000075374
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000075374) never changes.
Identity and time
| Publication number | OT-2026-000075374 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f201-76b6-b691-3378d2a06e40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075374 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca16895755b1ee0b173f756fe1f80d9badde04e3bc6e13ba82c3bea27da6cdf6 |
|---|---|
| Markdown | a8e9a194260a20998a22a854ada4ccbc3c1f494efaeb61356030b45210f23044 |
| Publication page | c435d1efebfc584d52b755be88aa3f986fbb9aeb5510419db23af4ff919c4ad1 |
| Manifest | 5a1f9a45e21827038978598d7c63999991e796fe972eb4ce6af978e235479010 |
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 | sQYvCCUjt5HjtG5HUZyyjV+sZKCcN8W0K8AwY1r3/yVGHWjtS/kXHggVGimJ9kgySBJ7gsqhx7an5uzpCa9TDA== |
| 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
| 2026-09-17T10:17:23.738246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075374observed c435d1efebfc584d52b755be88aa3f98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:17:23.719326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075374/manifest.jsonobserved 5a1f9a45e21827038978598d7c639999...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:23.697017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075374/publication.mdobserved a8e9a194260a20998a22a854ada4ccbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:23.306481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075374/publication.txtobserved ca16895755b1ee0b173f756fe1f80d9b...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. |
|---|