OpenTechnical

OT-2026-000031023

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000031023) never changes.

Identity and time

Publication numberOT-2026-000031023 · never reused
Internal UUID01a0ae74-3fb7-777a-b61a-6a33ed57fe36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031023
StatusPUBLIC

Content hashes

Canonical textb79145bc08a441c53ba654b5c6a13cf0469042742de17d3b1464ff56ec486b4a
Markdown8db768bfd29fd0c7f228a102135838e34b9e222df238dd45195ee8173dd828a2
PDF
Publication page47f9f5a85b1619f8d78699fd5d300965a5ce9a020920f26e368fc7330c24d559
Manifestec59c435e809582703ab6ef4e12ba97bdbc74d05141f36d1ce8f2b0c86b19870

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
SignatureZ7HblyKIzFW+6p2ZqRwywsSwbYdW9huRqAvaqoqnTxW/t9AG70cTNnCcK/+atQEx6lkEevuvO9t7IYnQjEdyDA==
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

2026-09-17T11:40:07.095464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023
observed 47f9f5a85b1619f8d78699fd5d300965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.076779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023/manifest.json
observed ec59c435e809582703ab6ef4e12ba97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.058964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023/publication.md
observed 8db768bfd29fd0c7f228a102135838e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.042360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023/publication.txt
observed b79145bc08a441c53ba654b5c6a13cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.009958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023
observed 47f9f5a85b1619f8d78699fd5d300965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.993294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023/manifest.json
observed ec59c435e809582703ab6ef4e12ba97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.977535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023/publication.md
observed 8db768bfd29fd0c7f228a102135838e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.961780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031023/publication.txt
observed b79145bc08a441c53ba654b5c6a13cf0...
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.