OT-2026-000005223
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, plant vacuum fed, contact triggered
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-2026-000005223) never changes.
Identity and time
| Publication number | OT-2026-000005223 · never reused |
|---|---|
| Internal UUID | 01a0a931-dabd-79ef-9796-19d8ff4a0d35 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:50:11.904399Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005223 |
| Status | PUBLIC |
Content hashes
| Canonical text | 003cf4b047eee76423d0c9a8d8995eb3e1a45bcf27152a05c7b779af78c0786d |
|---|---|
| Markdown | c109b017fec83b1bbc1d695fe1fdc9e4345264f40307c47334f20ece5a4267dd |
| Publication page | b86aeccc8e11a2d10131b5d11c25e93d459066b4ff08e681b3c75bf18aced289 |
| Manifest | 1bd50d4791ddf802e5b90ec9841d54f764e45034903326e6f20c62bd2d9d38a3 |
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 | nf26leWwa3fP6dvlpfY72DsnUIuxC3GrwlrWwmea1gTcFH9ERnImc0iFv4lCaOwlvVsvbmwo4F9zOwGlmUhwDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:33.892105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005223observed b86aeccc8e11a2d10131b5d11c25e93d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:33.878868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005223/manifest.jsonobserved 1bd50d4791ddf802e5b90ec9841d54f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:33.738786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005223/publication.mdobserved c109b017fec83b1bbc1d695fe1fdc9e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:33.725685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005223/publication.txtobserved 003cf4b047eee76423d0c9a8d8995eb3...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. |
|---|