OpenTechnical

OT-2026-000097388

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000097388) never changes.

Identity and time

Publication numberOT-2026-000097388 · never reused
Internal UUID01a0aea1-01cb-7e4a-bd1a-94016fc35306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097388
StatusPUBLIC

Content hashes

Canonical text363a6faddd212dbc31456cfb680f47b688eba1e37e6f1b23fc284906a7e34f65
Markdownb3b69b3aaf58919f850b781517e21bd503524a786edc5b846aff925ac629d980
PDF
Publication page99031643a3e224a122b719940945f529cdf79987b118c6f0aa660b7cc4bcab43
Manifestb0c1cf52fc4978cd0fd6b8ab1e25d3807b9e3a5b8bec5394c5bad3cd74f0a5ca

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
SignatureFs4dTcmFksCaL86K73PkprDcG1uQO6TNIxmulsr1pBJPkPywNWqxfdW5uleFG9OJoDOz0AoY1zZ9o/PKgY2HCQ==
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

2026-09-17T09:33:40.215623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097388
observed 99031643a3e224a122b719940945f529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.197723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097388/manifest.json
observed b0c1cf52fc4978cd0fd6b8ab1e25d380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.180383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097388/publication.md
observed b3b69b3aaf58919f850b781517e21bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.161757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097388/publication.txt
observed 363a6faddd212dbc31456cfb680f47b6...
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.