OpenTechnical

OT-2026-000071152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000071152) never changes.

Identity and time

Publication numberOT-2026-000071152 · never reused
Internal UUID01a0ae91-e0eb-726b-965d-ca5bcf69ff52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071152
StatusPUBLIC

Content hashes

Canonical text4b8558d967c6624cf609905c921698417f3c1066394cf1664fa8f0d7887a9a59
Markdown58c9b6e691434bb0b83a033f1ca50b03f1e0d9b0f47de3bb9041c46ded861b61
PDF
Publication page21b40952c910b34b0c65b3649c48b1dd02f10a3dff6d0f856a5a566a698168ae
Manifest9a6626bde83fec9696cf93baf327065123f712b6da72651847dc24b88e2273a3

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
SignaturefVK2jgnuAn1jV59jgTZUr29C9G1cW1XAl3RFOsMnBbs35bPMg92rNRTC7KU3vXG7I5gEUAJABjufeaUfjHzKDQ==
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

2026-09-17T10:24:39.458899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071152
observed 21b40952c910b34b0c65b3649c48b1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.443561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071152/manifest.json
observed 9a6626bde83fec9696cf93baf3270651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.425799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071152/publication.md
observed 58c9b6e691434bb0b83a033f1ca50b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.410118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071152/publication.txt
observed 4b8558d967c6624cf609905c92169841...
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.