OT-2026-000004652
Publication integrity record
Porous face vacuum gripper, two outlet manifold, pump fed, pressure verified at each zone
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-2026-000004652) never changes.
Identity and time
| Publication number | OT-2026-000004652 · never reused |
|---|---|
| Internal UUID | 01a0a91e-ee14-76a7-b43f-8c633808a2e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:31.671231Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004652 |
| Status | PUBLIC |
Content hashes
| Canonical text | dfb07441aa0b4bf9d2e1add94db77936d715fe6ea1de0e7e41ccf7290aa8010e |
|---|---|
| Markdown | 1f6b7d28ce99856ad31bdadb037b5f126c85794bb3726948f3ef928755b6c9d1 |
| Publication page | f65b39367f7913af064fcf41c52cf0832650b320c5e8d4eeb4d33dc6408fa620 |
| Manifest | 8cd577e2e4a49665c1061f311b03fc2c706ba96057f4e8cff552595e5dc2ca63 |
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 | itqpxvH6h4WP0kWk/m9uEnZJMAWg5pf53iN8XIHPv4ITkOjxieltiHY8JQQxwtEtxuW/B/f3lNDZ3+tIaf9EDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:04.414628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004652observed f65b39367f7913af064fcf41c52cf083...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:04.401234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004652/manifest.jsonobserved 8cd577e2e4a49665c1061f311b03fc2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:04.388172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004652/publication.mdobserved 1f6b7d28ce99856ad31bdadb037b5f12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:04.373025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004652/publication.txtobserved dfb07441aa0b4bf9d2e1add94db77936...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. |
|---|