OT-2026-000048021
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048021) never changes.
Identity and time
| Publication number | OT-2026-000048021 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c423-7df9-bc6c-4b64e3b600f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c803e7939ab7ca31f767da4036a4462ff6162af66a4a02fef89ca2c515ccbd3 |
|---|---|
| Markdown | e257d3aefb8c569b439b3921a06a5b76c07dcba4f9b7e3357c3bed6eadf40f56 |
| Publication page | 4a4377140cecbb42640d2fbb2bc0e50a9a2165f96d7f2e1dc06a43bfab0934ff |
| Manifest | 559b9c94f09c2ac57bd6936da40c9183c6ac141c98f61468bf04616930af77bb |
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 | KCl7StuFFh2LI1HP+ksSgT51fsVfosBSa0M7hb0RXne6qehxPBDv6XuuJRI/epOS98571scS+NoCav1fZVHaCQ== |
| 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
| 2026-10-13T16:41:43.327147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021observed 4a4377140cecbb42640d2fbb2bc0e50a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T16:41:43.251704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021/manifest.jsonobserved 559b9c94f09c2ac57bd6936da40c9183...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:43.136154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021/publication.mdobserved e257d3aefb8c569b439b3921a06a5b76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:43.056119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021/publication.txtobserved 7c803e7939ab7ca31f767da4036a4462...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:28.807111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021observed 4a4377140cecbb42640d2fbb2bc0e50a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:28.730741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021/manifest.jsonobserved 559b9c94f09c2ac57bd6936da40c9183...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:28.644003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021/publication.mdobserved e257d3aefb8c569b439b3921a06a5b76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:28.573254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048021/publication.txtobserved 7c803e7939ab7ca31f767da4036a4462...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|