OpenTechnical

OT-2026-000075234

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075234) never changes.

Identity and time

Publication numberOT-2026-000075234 · never reused
Internal UUID01a0ae93-f200-7e5d-8849-82d876e4af38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075234
StatusPUBLIC

Content hashes

Canonical textcd55bb6023cafee576067428fbe47cf5277f2096408c16d0cab21a9e7559dd46
Markdowne71d0f57a77cde7573da02654a9bd939bf2ed69e48fa51e4af6458ab140666fe
PDF
Publication page63d6d1579035e2d31b92fa615ee139cc33b660197e252decb347095863621a04
Manifestc761c39156ef6ebb45798b4c04f701412fffaaeeed87a1070bfe1f3e6e7d0078

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
SignatureBAPSvQirSLyXEtzUyaIlbMmHFz7wIBEOQ9nTgSFBPs4qxSVw/rVw55Si5zHaSdMTesrQQe7IGh9Vi83I9QxnAg==
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

2026-09-17T10:20:31.174926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234
observed 63d6d1579035e2d31b92fa615ee139cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.157975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234/manifest.json
observed c761c39156ef6ebb45798b4c04f70141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.138691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234/publication.md
observed e71d0f57a77cde7573da02654a9bd939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.116759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234/publication.txt
observed cd55bb6023cafee576067428fbe47cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.706563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234
observed 63d6d1579035e2d31b92fa615ee139cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.564108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234/manifest.json
observed c761c39156ef6ebb45798b4c04f70141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.545818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234/publication.md
observed e71d0f57a77cde7573da02654a9bd939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.526829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075234/publication.txt
observed cd55bb6023cafee576067428fbe47cf5...
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.