OT-2026-000005487
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, contact triggered, vented before set down
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-2026-000005487) never changes.
Identity and time
| Publication number | OT-2026-000005487 · never reused |
|---|---|
| Internal UUID | 01a0a93a-8e66-7cae-8148-d3e61827a368 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:42.184639Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005487 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5194a090a57fed42ae8e1928e8efb538a18a148cd8fc9418018817a0c9d70af |
|---|---|
| Markdown | 89347d2a372934b29cff7d391e436c88d179f3fc354cac18d9e765db58e191f3 |
| Publication page | 569b412264dca66daaaad5beecb3c77d3319e951aa247745f2d17db8cd286713 |
| Manifest | 520e5445f9bdb4db68a21639e8e4696ba9f8c4040dd39691d3ab992c5ecf680c |
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 | ZpsX4GO3mizdcFFnvF1vCebII0gHg7nkYT+4NbK4GFLHTlrtWuONpGIKYqmzsX48Pu3NqckELLuTtjJFjM6dCg== |
| 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
| 2026-09-16T08:00:03.443640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005487observed 569b412264dca66daaaad5beecb3c77d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:03.429150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005487/manifest.jsonobserved 520e5445f9bdb4db68a21639e8e4696b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:03.413981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005487/publication.mdobserved 89347d2a372934b29cff7d391e436c88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:03.396933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005487/publication.txtobserved b5194a090a57fed42ae8e1928e8efb53...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. |
|---|