OT-2026-000004436
Publication integrity record
Vacuum cup gripper, two zone face, two outlet manifold, 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-2026-000004436) never changes.
Identity and time
| Publication number | OT-2026-000004436 · never reused |
|---|---|
| Internal UUID | 01a0a917-a9af-70f1-979e-7d6ccac96cad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:35.410184Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004436 |
| Status | PUBLIC |
Content hashes
| Canonical text | 967f299e9803be79988eb99230ef39ded68c917b18d6eb462462365cc745b9f9 |
|---|---|
| Markdown | dbc1667cf3c33b0fc980ea3acef1a91f98aa8d61ab7913fc007741aa8e1c7cfc |
| Publication page | 0410bc05edc1e55574635d776af33aec316660fda818e7c504c9e05ccd337d27 |
| Manifest | 680785cf7f9e9c9e05e10f9dce14e997324cdbcf02ef224e3f321f04ccb8a524 |
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 | VfdcUYZdFgwsidYBuCOkNKV6uujEhCw+y/m8zZyp0IRwDPg0TmlCwuMI/qiGZW/Pbv+6FPL1RIPrI9/rAxMSDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:27.727270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004436observed 0410bc05edc1e55574635d776af33aec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.714153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004436/manifest.jsonobserved 680785cf7f9e9c9e05e10f9dce14e997...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.701684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004436/publication.mdobserved dbc1667cf3c33b0fc980ea3acef1a91f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.688378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004436/publication.txtobserved 967f299e9803be79988eb99230ef39de...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. |
|---|