OT-2026-000004976
Publication integrity record
Vacuum cup gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000004976) never changes.
Identity and time
| Publication number | OT-2026-000004976 · never reused |
|---|---|
| Internal UUID | 01a0a929-c7a0-7d3a-89f9-a84a4a9ada3e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:22.723262Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004976 |
| Status | PUBLIC |
Content hashes
| Canonical text | b907ac99998b53b9563789293fe97b46b9b1bac835f99e23608883470fc155ea |
|---|---|
| Markdown | f8f646fc284b3d2f8f716a880018e1bdeafccc3a2ffaf45aefa83c65c4b16663 |
| Publication page | 4c5d7cf9843cef51cc596e41e75ea431893af8befc0a2320de9c1d42c6bc0a8f |
| Manifest | e7aa190527198dc27fc9623b4d69a7f65cb35b9dac42a66a7c52e69fcd17f723 |
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 | NDWk5EJZikgj6et9RpF2yQ6kWsNaQNkRPkqGVIbT1Fnv+xVS63yiLFdB8M78Dp2qZtumVEZkxsFtDXCjtDjwDw== |
| 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
| 2026-09-16T07:50:28.954856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004976observed 4c5d7cf9843cef51cc596e41e75ea431...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:28.942280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004976/manifest.jsonobserved e7aa190527198dc27fc9623b4d69a7f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:28.928289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004976/publication.mdobserved f8f646fc284b3d2f8f716a880018e1bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:28.914583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004976/publication.txtobserved b907ac99998b53b9563789293fe97b46...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. |
|---|