OT-2026-000004241
Publication integrity record
Porous face vacuum gripper, three zone face, common isolation valve, ejector 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-2026-000004241) never changes.
Identity and time
| Publication number | OT-2026-000004241 · never reused |
|---|---|
| Internal UUID | 01a0a912-7437-7826-a0e9-7e6ed365e264 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:54.042268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004241 |
| Status | PUBLIC |
Content hashes
| Canonical text | e72af2122ce61d36d738f10da56b4366c70bc27ce196349e67ccda88181a233c |
|---|---|
| Markdown | 29fa64a661393538bde89255a9fed3eba72a567ab3e47ca85251937e78f8cd13 |
| Publication page | 741c97ebcc5bdf15abf057bd3945f277743996b893ed640d88950aa388b23079 |
| Manifest | c5bb6e1a9bc614a314dafe29f1a070147a6d22710596b48d57939ef9722315e1 |
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 | RkOumnpz2xZOXExC6NRbP3n1uI4pCbWu9+TW15vAEHxuNCL/EWnCgJ8f58oURpXOAXP3XT0eWfiKWtoz2SiVBg== |
| 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
| 2026-09-16T07:20:20.204627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004241observed 741c97ebcc5bdf15abf057bd3945f277...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:20.188917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004241/manifest.jsonobserved c5bb6e1a9bc614a314dafe29f1a07014...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.173107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004241/publication.mdobserved 29fa64a661393538bde89255a9fed3eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.153590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004241/publication.txtobserved e72af2122ce61d36d738f10da56b4366...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. |
|---|