OpenTechnical

OT-2026-000022242

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000022242) never changes.

Identity and time

Publication numberOT-2026-000022242 · never reused
Internal UUID01a0ae6f-f4fc-7acd-bcbb-2ffdbb84fd30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022242
StatusPUBLIC

Content hashes

Canonical textb8f4755fed0d1688b90fece8389a1712ffde32023a7d9f26415726fe4f7357a7
Markdowne5de48737ca17e337cecec05df377fdcb3c22ced71e0dd4180e2ce1beafbefea
PDF
Publication page41b75a5c8ba1bfd8d094006d4b3802ff598c132fcc1a1e28ed7de288e1f46727
Manifesta10b1e32500173412dc8e4f59a047a2cadeb1f17cf2d10afd014e339bba14261

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
Signature43sBoLUXO2dkK7zYYExbHdiFTf0Tm5EA6j3elCrQ2apxDrD/1Nt/FKmEjNahIIzReH/z2T5eJSI3HoGK8+CNBg==
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

2026-09-17T11:52:56.242710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022242
observed 41b75a5c8ba1bfd8d094006d4b3802ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.226365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022242/manifest.json
observed a10b1e32500173412dc8e4f59a047a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.210266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022242/publication.md
observed e5de48737ca17e337cecec05df377fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.193098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022242/publication.txt
observed b8f4755fed0d1688b90fece8389a1712...
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.