OpenTechnical

OT-2026-000074328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000074328) never changes.

Identity and time

Publication numberOT-2026-000074328 · never reused
Internal UUID01a0ae93-7179-78d1-9222-07e9b3d3607a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074328
StatusPUBLIC

Content hashes

Canonical textf7039ce34e0b532017978913186002147de0b493c9af4a4abac8d642c95225d1
Markdown7ec81d335afb4c67e38c9f68ce2ca77b73755a0d6889f778f3dbb470eadf8636
PDF
Publication page5aa75add3543cfbd4e1f4b5de2e002c6731898aa0e613b2072ba522530727007
Manifest80f624ba8eb9600e053eb4f3fd6ed7ca90311f00737710952948070e9c16ac14

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
SignatureSyHbKppA/pgSXIR+uq5J0c3EBzDtWp5W2hOmrNM1iLvyId3LtnQ0MgfAhJBSQvc/KlHjo2jZmWN6/e+Yak+ZAw==
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

2026-09-17T10:19:14.796786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074328
observed 5aa75add3543cfbd4e1f4b5de2e002c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.779802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074328/manifest.json
observed 80f624ba8eb9600e053eb4f3fd6ed7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.760970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074328/publication.md
observed 7ec81d335afb4c67e38c9f68ce2ca77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.744089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074328/publication.txt
observed f7039ce34e0b53201797891318600214...
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.