OT-2026-000004391
Publication integrity record
Porous face vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure verified
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-2026-000004391) never changes.
Identity and time
| Publication number | OT-2026-000004391 · never reused |
|---|---|
| Internal UUID | 01a0a916-139a-7ecb-b7c1-264b12ed7cc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:51.453715Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004391 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bcae6ba88e06739cd4976c877e1c3d30ff679ae6bf7fe68291b18f4cac64478 |
|---|---|
| Markdown | 0b6c50ae38d47a9a2de676172c4aefb8fb22d5989bf70a7460bef9832031ba02 |
| Publication page | ed533843f1d7ecbaccbefce7c463a04e7f21afac0105d77d1c034ff642176434 |
| Manifest | ac8cd9d3f816b44ca7d10bbaa4f27d3e176ad14ef1e3a3d594c91e388e3adc45 |
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 | lnnTOQzxcRf9NNnY3eDCIFdj1g1XgpqkPI3t/b08l7UWNvkSYTDN6r6IwkohXnmZ3HBQuCtyklQbT7DL61UcBw== |
| 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
| 2026-09-16T07:20:03.150560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004391observed ed533843f1d7ecbaccbefce7c463a04e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:03.135548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004391/manifest.jsonobserved ac8cd9d3f816b44ca7d10bbaa4f27d3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.120104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004391/publication.mdobserved 0b6c50ae38d47a9a2de676172c4aefb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.984429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004391/publication.txtobserved 0bcae6ba88e06739cd4976c877e1c3d3...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. |
|---|