OpenTechnical

OT-2026-000091564

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000091564) never changes.

Identity and time

Publication numberOT-2026-000091564 · never reused
Internal UUID01a0ae9c-f16e-78e8-b499-1162e075b626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091564
StatusPUBLIC

Content hashes

Canonical textcbb3fa7ec801689e0d81c9960bae83b25effca029ea9199f008a7418c881c95f
Markdown911dcf17e39c6efb348534d0e7bc4838b672926e470302a1d45b45ebf4e31413
PDF
Publication page67c5c90b5e7d46052cb4a9069d0fb5cb720f07e19df88745f9a3e2a93e522266
Manifestb89815937b0972b8b81d91cb51896a3345bc9c01ffefed5b81b8437021e7b4b0

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
SignatureOm8nhF7CwOMbm+A2/GA3W3xYsM1liNHdY77HomK2l23Q/edYaplfbkmMc7dwwUy2DlJfBTfbG1fuQVRJv+S7Bg==
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

2026-09-17T09:43:50.066786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091564
observed 67c5c90b5e7d46052cb4a9069d0fb5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.049548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091564/manifest.json
observed b89815937b0972b8b81d91cb51896a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.031887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091564/publication.md
observed 911dcf17e39c6efb348534d0e7bc4838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.014871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091564/publication.txt
observed cbb3fa7ec801689e0d81c9960bae83b2...
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.