OT-2026-000003752
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, contact triggered on the face
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-2026-000003752) never changes.
Identity and time
| Publication number | OT-2026-000003752 · never reused |
|---|---|
| Internal UUID | 01a0a90a-f45a-7b15-8e0b-ecefe1dd8f5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:42.556550Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003752 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3299c316a20a7fe9adb9528b4d373e5d192bb437ad4d45ab9bc8729a35846d13 |
|---|---|
| Markdown | 2ab08e3046b134429f45639a3e2da8d69f5d443296d8919512963eb728030ae3 |
| Publication page | f9935cbe67a88092b6b0f0e5564b59c49aaede5a7decb44b4525436b5cdd306c |
| Manifest | c79e6ad304f7b97feb2a33b559a723915fcd256391ca6d4c957799149a132171 |
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 | C5VNsaYc8UAHWBwDfS/Jcx8RjNM5iRWJG+6ut9BAUFi4+LcJME/ywncdnLFDTOfXPpVeTnz+Fex1YDYim+8zCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:22.536713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003752observed f9935cbe67a88092b6b0f0e5564b59c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:22.519853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003752/manifest.jsonobserved c79e6ad304f7b97feb2a33b559a72391...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:22.505184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003752/publication.mdobserved 2ab08e3046b134429f45639a3e2da8d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:22.489553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003752/publication.txtobserved 3299c316a20a7fe9adb9528b4d373e5d...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. |
|---|