OpenTechnical

OT-2026-000100165

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100165) never changes.

Identity and time

Publication numberOT-2026-000100165 · never reused
Internal UUID01a0aea3-3052-7805-9eda-0ba72485e70d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100165
StatusPUBLIC

Content hashes

Canonical textdbee1ca84b2d56fc92d98d56ccb725958f919ddc769049edae2c476eeabb8bc4
Markdown5830cf5295b60921687f8bf4623b4d7d2a1783124a31d166c4a233245f816c14
PDF
Publication page4cd76e43dec9ea0b289d03ab33969382e1fb8170b998c1ff76abc93422dc53c3
Manifest6de9920d4cb50207aae5be07f92e624756a556bed822dc7073d813c552c9cf66

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
SignatureOw1EOmjtSzhaYY9l3y8oXGXyUqI6B09B4n13BkAPu0MTRkYbMTGeFUo8iT0mIP7OkE+yKXf6fnTrLo77p6L9DA==
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

2026-09-17T09:27:52.491991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100165
observed 4cd76e43dec9ea0b289d03ab33969382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.475717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100165/manifest.json
observed 6de9920d4cb50207aae5be07f92e6247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.457414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100165/publication.md
observed 5830cf5295b60921687f8bf4623b4d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.438682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100165/publication.txt
observed dbee1ca84b2d56fc92d98d56ccb72595...
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.