OT-2026-000004213
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, ejector fed, contact triggered, rubber 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-2026-000004213) never changes.
Identity and time
| Publication number | OT-2026-000004213 · never reused |
|---|---|
| Internal UUID | 01a0a911-814d-7d50-a6ef-0464fabbc4ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:51.856797Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004213 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c8ffbb470df214214e60e0cd4959116d22f9c0d2736de4c8554a87a39ba4241 |
|---|---|
| Markdown | 50226261181cbabf2b42fd934c4f25592d2ca0bc0743e847616af43291b67d7e |
| Publication page | ddc19f22b6c42a9b4419bed9d3587910ece440721df7fb57b109fc24fe258cf1 |
| Manifest | 5004b020250fa891fbe5bc6e3e9bcb1fbe3d9190b6f5d3c7fc718e95e025b130 |
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 | KHJyq2JGSUCN7PZRwYM+uOMJDgX3HvlSRUhtj2CHAFqBH1EwsXsx+mvHD5XzL5zrvgU4vcWlwthmj40AvnHTDg== |
| 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
| 2026-09-16T07:20:23.386258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004213observed ddc19f22b6c42a9b4419bed9d3587910...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:23.370049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004213/manifest.jsonobserved 5004b020250fa891fbe5bc6e3e9bcb1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.234780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004213/publication.mdobserved 50226261181cbabf2b42fd934c4f2559...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.221260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004213/publication.txtobserved 8c8ffbb470df214214e60e0cd4959116...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. |
|---|