OpenTechnical

OT-2026-000093173

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000093173) never changes.

Identity and time

Publication numberOT-2026-000093173 · never reused
Internal UUID01a0ae9e-0910-712e-93b8-d308c4559d90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093173
StatusPUBLIC

Content hashes

Canonical texta39aa746b4556e0d7af0ddc7a6a33badcf08e6ae5d4eecc955e213eafd035792
Markdowndc46598f84b1a0c85a174207d663fc1e19baf07e65c2bdfefb243e6224dbca3d
PDF
Publication page7c2e6425e30245eb4addf468949f8278eb8bcec5ecadad05b336e8e40ce2866d
Manifest0d8fb79d8765df16bf3d7f2340eaad1a2062429c7141cc38be8e42347ebb092a

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
Signature4JvncDx1Pe5U/luHu1En4+5NiWkzX1Ct5thMDS9Rd+WP0R84s/A9oITNLCHOUGMol3IxsGmPYXu7MqmBlMTNDw==
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

2026-09-17T09:40:28.433208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093173
observed 7c2e6425e30245eb4addf468949f8278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.414922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093173/manifest.json
observed 0d8fb79d8765df16bf3d7f2340eaad1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.398570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093173/publication.md
observed dc46598f84b1a0c85a174207d663fc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.379577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093173/publication.txt
observed a39aa746b4556e0d7af0ddc7a6a33bad...
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.