OT-2026-000004771
Publication integrity record
Vacuum cup gripper, four outlet manifold, pump fed, pressure verified, contact triggered on the face
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-2026-000004771) never changes.
Identity and time
| Publication number | OT-2026-000004771 · never reused |
|---|---|
| Internal UUID | 01a0a922-d8e7-7e06-a6fa-16199a7a9d5b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:48.394324Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004771 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28d57b3d6fffbf1a3a241f8233fdc6b9c233b2823eb7328df9b9ebb7e67cbcb4 |
|---|---|
| Markdown | 1a805958a21459f8a482ac498d1399dc98f7d1ed726597e3618284f5602bae7b |
| Publication page | ec0752440aef6776ec06b0957c0971c34d7e6361a184cadea52bf4a876839262 |
| Manifest | d5f1b8c4963a73068976fb14565492ed590e738ff20b2d6ddda32137d3cd035a |
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 | KLGu54LJzay30CAWffFtmDAdkgy+NyiKTUXxWe602xZy5AuvxO516JQeX7jiNNtBbDaM33wwfeXlgTxBND0gAQ== |
| 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
| 2026-09-16T07:40:20.727131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004771observed ec0752440aef6776ec06b0957c0971c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:20.713924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004771/manifest.jsonobserved d5f1b8c4963a73068976fb14565492ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.700982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004771/publication.mdobserved 1a805958a21459f8a482ac498d1399dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.687252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004771/publication.txtobserved 28d57b3d6fffbf1a3a241f8233fdc6b9...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. |
|---|