OT-2026-000004632
Publication integrity record
Vacuum cup gripper, four zone face, plant vacuum fed, 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-2026-000004632) never changes.
Identity and time
| Publication number | OT-2026-000004632 · never reused |
|---|---|
| Internal UUID | 01a0a91e-4ed1-75b6-b308-a8700d569701 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:50.900392Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004632 |
| Status | PUBLIC |
Content hashes
| Canonical text | 27bbe424b9657ce37f5437b4d2be2981012f34f4980227e8cb850e6fded02967 |
|---|---|
| Markdown | 2143ac479da481f582c97edbd7f25f12087d49876f147a4b8071906b7f74b816 |
| Publication page | 0b1eda555345bdb6b8605148eb5e4cc82ddbb074035263aa484f81464b06c0cb |
| Manifest | fc07d5f9886c42298443af31bae3fa01cd4685bee23326c1684c6b39cface89f |
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 | pF9UHisqSTIYGKLrO06FXOINt4C3W6YMxX1dVBq3p7Tb5Sb09QPvwKp+wPGfZvOfMbCkwDage4hHhmYELjEsBQ== |
| 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
| 2026-09-16T07:30:06.986205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004632observed 0b1eda555345bdb6b8605148eb5e4cc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.974191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004632/manifest.jsonobserved fc07d5f9886c42298443af31bae3fa01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.962573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004632/publication.mdobserved 2143ac479da481f582c97edbd7f25f12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.950441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004632/publication.txtobserved 27bbe424b9657ce37f5437b4d2be2981...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. |
|---|