OpenTechnical

OT-2026-000040167

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000040167) never changes.

Identity and time

Publication numberOT-2026-000040167 · never reused
Internal UUID01a0ae79-26ff-75a7-a55b-bf86c83df03f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040167
StatusPUBLIC

Content hashes

Canonical textc5da9467f76768d39472ffa10aa097eb171525d3243efc970876eafcbdb86e6b
Markdown59722d34ee807fbeea4a029a36075f40351a78aa9dedc0cd9f44d73f22fef6c5
PDF
Publication page8011729d2cd6b868fc40452be5f3a25e33b99f331721b0f5e28f361cd7cf08f6
Manifestd18049465add30ada8d4f59ef74e889c314aeb09f3b989930cc00c966699d292

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
SignatureL3kjKTb8MRlEdK67MMatH8zE34K4T8l+s/g3yDOP/bYw+gTFczYhA4IO6qFhtM6amPPUbCMEtLJpymjQImJ+AA==
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

2026-09-17T11:19:02.679158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040167
observed 8011729d2cd6b868fc40452be5f3a25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.662629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040167/manifest.json
observed d18049465add30ada8d4f59ef74e889c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.646967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040167/publication.md
observed 59722d34ee807fbeea4a029a36075f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.631920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040167/publication.txt
observed c5da9467f76768d39472ffa10aa097eb...
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.