OT-2026-000028781
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000028781) never changes.
Identity and time
| Publication number | OT-2026-000028781 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-75a9-a1f5-42d52d9a48c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028781 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5affa58c748fc1d264f72fc32499d467b7bb829884c1e86a3ff1956b64a21465 |
|---|---|
| Markdown | 03c34dcd20a0a6da0b0bb35840507bb77701c45ac67c207a9fd069b2463274bc |
| Publication page | 00ff6ca6de07785e336cb642ad982226f00f1cd37911a6ff2681a681dc4fb896 |
| Manifest | 3d4192f4329464aacd61f156c720f12b4aa482790ce31e41350231f10cb5ef15 |
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 | naa+hOqAjLYp0Bel42jQcvcaO/tRjKA3emsUnnB8DT+D+mvf2TrSA6U9NttisU9mqMRhilL1VzxRjcpWoPYZDQ== |
| 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
| 2026-09-17T11:40:00.552205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028781observed 00ff6ca6de07785e336cb642ad982226...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.532622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028781/manifest.jsonobserved 3d4192f4329464aacd61f156c720f12b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.513409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028781/publication.mdobserved 03c34dcd20a0a6da0b0bb35840507bb7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.494325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028781/publication.txtobserved 5affa58c748fc1d264f72fc32499d467...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. |
|---|