OT-2026-000054448
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054448) never changes.
Identity and time
| Publication number | OT-2026-000054448 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1282-7e90-b818-d64c4f460338 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054448 |
| Status | PUBLIC |
Content hashes
| Canonical text | b0b5a321aa7278e141c6c0713181be69836ce64bc577b57c9cf3101ed37ee631 |
|---|---|
| Markdown | 57d7756470ec65f229a4490654421c3dd5c43d39fb8f7adc8005ccb21875cac9 |
| Publication page | 8eae8dc0af4d196fbcd8e5884c04264a4d91570ae125156b78baf40b78a9b728 |
| Manifest | e3a42c290e7f1572de32d3c36f14a9ba0949e711c7f0ebdfe2947920a0c52810 |
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 | GX51jhFsG15tJs/SmxzAa1h7OO5+hJXKc1Fme4Bo/MuY2uf7dJsseaVGle9MT0htCv8bH/BAhSl/NoGZjEIZDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:53:22.874697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054448observed 8eae8dc0af4d196fbcd8e5884c04264a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:22.858087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054448/manifest.jsonobserved e3a42c290e7f1572de32d3c36f14a9ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:22.789541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054448/publication.mdobserved 57d7756470ec65f229a4490654421c3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:22.685833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054448/publication.txtobserved b0b5a321aa7278e141c6c0713181be69...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. |
|---|