OpenTechnical

OT-2026-000063201

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000063201) never changes.

Identity and time

Publication numberOT-2026-000063201 · never reused
Internal UUID01a0ae8c-94ab-763e-bd47-1ad6e6fb9b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063201
StatusPUBLIC

Content hashes

Canonical text16f1c826e2f83c316b735ddd93a99b01b1547deafdb32e679d3a4d7ae47d4bde
Markdownc3cae5f3083c372f5c1415941d0c5b897f2445ff72faa3743426aa2e0bde16dc
PDF
Publication pagefd43f878e881092e981ca51ddd521b746075916d01dcbb3016bee818efec62f1
Manifeste261e2596abb2b86760bbee732992e49f771af4272f8d133d816241d003649e2

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
Signature0wX+1ts/XVbttjmQsQEct07Q3WLhfXfgmWEqokD6hYE0fs3CkO9ThHaqACE+HTT7M/rpVqiVfs/faX1lUv4vAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:59.973712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063201
observed fd43f878e881092e981ca51ddd521b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.954202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063201/manifest.json
observed e261e2596abb2b86760bbee732992e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.937115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063201/publication.md
observed c3cae5f3083c372f5c1415941d0c5b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:59.919108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063201/publication.txt
observed 16f1c826e2f83c316b735ddd93a99b01...
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.