OpenTechnical

OT-2026-000036425

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000036425) never changes.

Identity and time

Publication numberOT-2026-000036425 · never reused
Internal UUID01a0ae77-01d1-789a-8bb6-b7c1576e8001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036425
StatusPUBLIC

Content hashes

Canonical textb48ae788d8c4a4860ce123e7e017ef5949b34d5e6fa05ed1f96c0be19d3d045c
Markdownbf9d2b79fefb22aa5598d1e31c5808fc88931080832fa2502b0250fe0f193013
PDF
Publication pagecd50bc1741ca9659a936621a2b82d84803fce0a0392b3ca1b500ba0590f82312
Manifestb7a5ce1b72312e9083fca74b6ec977b2571c209e6e763ae00a63bd48ccfc79a8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehFcYyLOPq2rfQXW7o4eb0sACGuDudGrX6UUNyfSjINzwayWIAUCzVxm9PMTAMk++vd1bcV63WVTNkHMaRUeqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:49.040084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036425
observed cd50bc1741ca9659a936621a2b82d848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:49.022605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036425/manifest.json
observed b7a5ce1b72312e9083fca74b6ec977b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:49.005710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036425/publication.md
observed bf9d2b79fefb22aa5598d1e31c5808fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.988553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036425/publication.txt
observed b48ae788d8c4a4860ce123e7e017ef59...
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 archivePending 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 packagePending Custody packages are produced weekly.