OT-2026-000003898
Publication integrity record
Porous face vacuum gripper, per zone isolation, four outlet manifold, plant vacuum fed
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-2026-000003898) never changes.
Identity and time
| Publication number | OT-2026-000003898 · never reused |
|---|---|
| Internal UUID | 01a0a90b-6522-7c25-a173-028a15bdbc63 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:11.429270Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003898 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e043af7b26db025d14bb8392cc1687f19e33fcf92967b942315ef2f7c3e6c5c |
|---|---|
| Markdown | 8647704766d589ab9e22e547dfd75a6512b67a631717985166b926247e4e5258 |
| Publication page | b39526a763b4f0fd3953daa0078e0282203b90d707a483a154e9e930cd720dff |
| Manifest | 52d8c1c49acaf3aea48939ec9f3445e5649523ed020fa435520118e6eab785b5 |
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 | 2K7hQTPHi9Qmzoh1DsvJ4Op3c9eeYwIlH2Lv+7icWhWlxEUz3oMmSizJPo9sSX28tWHHMzL0aIsn0lKf5TE0AQ== |
| 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
| 2026-09-16T07:10:13.555032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003898observed b39526a763b4f0fd3953daa0078e0282...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:13.542019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003898/manifest.jsonobserved 52d8c1c49acaf3aea48939ec9f3445e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.529152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003898/publication.mdobserved 8647704766d589ab9e22e547dfd75a65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.513873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003898/publication.txtobserved 3e043af7b26db025d14bb8392cc1687f...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. |
|---|