OpenTechnical

OT-2026-000097641

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000097641) never changes.

Identity and time

Publication numberOT-2026-000097641 · never reused
Internal UUID01a0aea1-92f2-7f3d-80b0-905f86bd2f16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097641
StatusPUBLIC

Content hashes

Canonical text3891b6eaef4bd64ed66f05408006afe2505be7fbcf6cd3cee9ed05fcec1c1d0c
Markdown1d8b619e1d9fb4f8b090db819f7919886556a1704a995b99b6ecbabe86f81320
PDF
Publication page00a53420ff5fe59d31cc0812b9690201f66c19c6578638a466ff311110c26656
Manifest7bcb6b1ba3b5cdf419fab35deb5b23e31e1004c9ce38e8461ad06fc5d54791a3

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
SignaturelbK0Ue9pkC0xlBNjieiRcyfHXJu1ZKThP8z0sMxOK2ChQ1esLHucH5QIqyla6ePor1Q6TOrgLCs7uscWGeWUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:39.244358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097641
observed 00a53420ff5fe59d31cc0812b9690201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:39.227450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097641/manifest.json
observed 7bcb6b1ba3b5cdf419fab35deb5b23e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:39.210619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097641/publication.md
observed 1d8b619e1d9fb4f8b090db819f791988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:39.193217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097641/publication.txt
observed 3891b6eaef4bd64ed66f05408006afe2...
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.