OT-2026-000004265
Publication integrity record
Vacuum cup gripper, four zone face, pump fed, pressure verified at each zone, polyurethane cups
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-2026-000004265) never changes.
Identity and time
| Publication number | OT-2026-000004265 · never reused |
|---|---|
| Internal UUID | 01a0a912-d7f2-783b-abcb-c08ac784f0d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:19.574492Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004265 |
| Status | PUBLIC |
Content hashes
| Canonical text | 95dcaf31ea8bf3bdd69ef31898914af9d8508879580ecb49eabbc070d3288463 |
|---|---|
| Markdown | 76259567f003f8a741524365ccfead15bedd779f8e706fb6070a880463f88c3b |
| Publication page | 87c0f200f5a36dce237bb2a31408857961bcb0e24a4859c68f252b7145ba53f0 |
| Manifest | 244ab2e56fd7407d74c5cad3a7265bc77c2c42f6bd11b56a70beb21e886e90bb |
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 | tIMK7ud7Nqo2VHldP3QzoUxBJzQ6M5UpC7o4WlUi3+52EMs/Kcqn7DjQQ8S2rzNqbU0bzdtkhdsaNeFVwlwwBw== |
| 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
| 2026-09-16T07:20:17.448220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004265observed 87c0f200f5a36dce237bb2a314088579...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:17.435165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004265/manifest.jsonobserved 244ab2e56fd7407d74c5cad3a7265bc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:17.419829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004265/publication.mdobserved 76259567f003f8a741524365ccfead15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:17.406669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004265/publication.txtobserved 95dcaf31ea8bf3bdd69ef31898914af9...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. |
|---|