OT-2026-000103431
Publication integrity record
Foam pad vacuum gripper, two zone face, three stage ejector, pulsed blow-off 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-2026-000103431) never changes.
Identity and time
| Publication number | OT-2026-000103431 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e460-7c5a-aded-6ddf0464ca41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7870f05db37ad07dffdffc0015160b60a88fa300c4a140d19c1bc9e715eb38ff |
|---|---|
| Markdown | 49cefecd11530616d049c84a146c302f3546d67ac3b1379a98249ce8b004c14c |
| Publication page | c6ac4bdc6d106b9717d235908a6fd9381cca049c9eabe20cfad4509ffc8be95f |
| Manifest | 6033ec7b34a7532064ac93cc580a685c5f0b9b2e268bbc90be34911a3b11548f |
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 | GBFda4eksCOIZA7KD4DYnVdBPiAvPNrG6e/7a4DPa8dnJAOVlDK49Ej3+xYhvpcoU+Cjb7X+3Afpg1RffDcnDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:10.958375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103431observed c6ac4bdc6d106b9717d235908a6fd938...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:10.942196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103431/manifest.jsonobserved 6033ec7b34a7532064ac93cc580a685c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:10.924427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103431/publication.mdobserved 49cefecd11530616d049c84a146c302f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:10.905946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103431/publication.txtobserved 7870f05db37ad07dffdffc0015160b60...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. |
|---|