OT-2026-000005406
Publication integrity record
Porous face vacuum gripper, per zone isolation, pump fed, pressure verified, open cell
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-2026-000005406) never changes.
Identity and time
| Publication number | OT-2026-000005406 · never reused |
|---|---|
| Internal UUID | 01a0a938-02dd-7c15-abd9-e52d8d08035a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:56:55.392583Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005406 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7b519f02e1037b9394c7ff3bfcbf0e1afb06cd562c91b668802aa36e2e7f6bf |
|---|---|
| Markdown | f2034bcafa01cbde521e41d3cb0a2d9ab7617c666975d4e35a3a2e18a324a201 |
| Publication page | 32ecd77532c0457678ab8a2f86511a4e5c739fc82b4592f531f379e77e3ef0ea |
| Manifest | 7e895867d024b88e72d023601503fb12659ffce243124f6beadf5c639c79009f |
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 | xAOqGKxgyWFTdu/k77BDbCIe9+e6sMiizIDbvFUAA2BBhlYtEROZZ7Og2MbpTKosJlbzw3EycMC9eygfUzlQBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:13.213487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005406observed 32ecd77532c0457678ab8a2f86511a4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:13.201565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005406/manifest.jsonobserved 7e895867d024b88e72d023601503fb12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:13.188483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005406/publication.mdobserved f2034bcafa01cbde521e41d3cb0a2d9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:13.175715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005406/publication.txtobserved a7b519f02e1037b9394c7ff3bfcbf0e1...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. |
|---|