OpenTechnical

OT-2026-000100792

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000100792) never changes.

Identity and time

Publication numberOT-2026-000100792 · never reused
Internal UUID01a0aea3-66f5-7021-ac30-f8099e830bb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100792
StatusPUBLIC

Content hashes

Canonical text4296138a7babcb6c39144adcec0d2599bcefc11476e58f3c55bff0394587dd4c
Markdownfa2b6c74a129a7aab8aa8f4fab78c7db8fe52b5010f062eb405d40b25aadff94
PDF
Publication page3a7e3230b9da9d72885990907ea433f988410733de67234f03efdd2556d8a02e
Manifestaa2ddd0f7567035675e9930b0e9a920396ea615632d1803fd90911bebecfb145

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
SignatureaI0+1J0j7ShepSWEUPqRkDbroBy3ZFkxYf+9qVH/Zlv3Szctmwo+rCRJ5Q3yO/y8U4xCh2jg+UisotBm6SXiBw==
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

2026-09-17T09:27:42.275549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100792
observed 3a7e3230b9da9d72885990907ea433f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.256455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100792/manifest.json
observed aa2ddd0f7567035675e9930b0e9a9203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.235321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100792/publication.md
observed fa2b6c74a129a7aab8aa8f4fab78c7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.207917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100792/publication.txt
observed 4296138a7babcb6c39144adcec0d2599...
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.