OT-2026-000028305
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028305) never changes.
Identity and time
| Publication number | OT-2026-000028305 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-751a-bd70-82fbf05d2ea0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028305 |
| Status | PUBLIC |
Content hashes
| Canonical text | e102e98dfa0495e65cee1b355ee04c351cf199c482e1d433841e7d296ec06d1d |
|---|---|
| Markdown | d6a3a6e37b0058c00c5db386070639e15fbad14885d82ae6b7a2a8d66c99f9de |
| Publication page | 2383e0a9881cba8eb415cb65f8f8383ab966a68fe3e64f6667e617a6c84e4bec |
| Manifest | 95ff4c38e4f3110770a100d9ba8fcba5cbfe3bb79fa0d12f6686412989bccdb9 |
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 | cjAC9SJ1BaYZTmOMPPEtNYg4ooRp/CCV4GICKqzFUHlqjeL3aFTe+7rhAv4Fx6IE8y6NHkTlOhKgKrokHOFyAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:17.940648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028305observed 2383e0a9881cba8eb415cb65f8f8383a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.921905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028305/manifest.jsonobserved 95ff4c38e4f3110770a100d9ba8fcba5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.897197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028305/publication.mdobserved d6a3a6e37b0058c00c5db386070639e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.878537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028305/publication.txtobserved e102e98dfa0495e65cee1b355ee04c35...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. |
|---|