OpenTechnical

OT-2026-000063260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000063260) never changes.

Identity and time

Publication numberOT-2026-000063260 · never reused
Internal UUID01a0ae8c-94ab-74d0-a618-d2055b4cf4cd · 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-2026-000063260
StatusPUBLIC

Content hashes

Canonical text2abebf9a9b1e20a19bc4e4918bd066b731f5289caaef7c22c893649e60e686ff
Markdowndc06a68e71583a1c3c18caaae96d30ccf93f543279e5eef18a735e73c79060e0
PDF
Publication page949641dceed0fd013bf89e7e857cb347ee41c9b7fac3b9de19717f1a51f3b377
Manifest9021af0799541f57d93c3e8d38cd4f334946578982a7b84b8d4981aa20bf962b

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
SignatureeYZud+lqCAWcKgxz+0UB4kw5oBSJJuWWOO3mdwFF7VScF7XwYoqpWV9icu4LUQmXbBn/OQQTk3V7p0sVLBYwDQ==
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

2026-09-17T10:39:08.835381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063260
observed 949641dceed0fd013bf89e7e857cb347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.817797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063260/manifest.json
observed 9021af0799541f57d93c3e8d38cd4f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.793975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063260/publication.md
observed dc06a68e71583a1c3c18caaae96d30cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.771231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063260/publication.txt
observed 2abebf9a9b1e20a19bc4e4918bd066b7...
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.