OpenTechnical

OT-2026-000011441

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, vented after set-down

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-2026-000011441) never changes.

Identity and time

Publication numberOT-2026-000011441 · never reused
Internal UUID01a0ae6c-88fe-7319-890c-58853eb1e223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011441
StatusPUBLIC

Content hashes

Canonical textf5f8e21c1218802208160f8a50e79ba43892a10fbfde5b2345c19b17303ecbad
Markdownf9b8513a40ae2a30d92c7039021d6571a93f81df75b5d32d57d1df6a293538b6
PDF
Publication page70cef593f90f99d19c7b1b96ca9b0050560c111503f41e75e651d0d2d0fb41df
Manifestb0dab425ccbfe355a63f87ab9293825b0e571ad42302cf51969f145c80ae3072

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
SignaturegRWbhDWaq7Gu7DqNSOpOJ/yfnqhcP1Zlicgu1CyWf12pFRdpI5rHIZFMBo2iVTegcqqfrUzRTPLoGum0mKEICw==
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

2026-09-17T12:13:12.081252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011441
observed 70cef593f90f99d19c7b1b96ca9b0050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.062782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011441/manifest.json
observed b0dab425ccbfe355a63f87ab9293825b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.046367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011441/publication.md
observed f9b8513a40ae2a30d92c7039021d6571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.026936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011441/publication.txt
observed f5f8e21c1218802208160f8a50e79ba4...
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.