OpenTechnical

OT-2026-000063818

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000063818) never changes.

Identity and time

Publication numberOT-2026-000063818 · never reused
Internal UUID01a0ae8d-53b7-71be-9960-da377d430dfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063818
StatusPUBLIC

Content hashes

Canonical text81769d554e616ed73b9467026368931db856a20560c162522069d2d795bc6e68
Markdown888c77e7f7b4ce38de0a77671511e877cf9da33850948ef54670fff81c826535
PDF
Publication pagefca91e8f3c8ef928f151ef54b6d9f0c4d8e99d72ae281a48a03aeb7991abebd1
Manifest7076ed19a0302e1002b9dfd4cbfb07e35354671d544a46a61b3a9ce30e912009

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
SignatureklBondXJiqFH5zbIWHnKeI4FU+7c5rXMa+NxY+rLKIxo8uzj0ymOrsphLlBpJm6g4r7qwbEARggKK6+7b8SgAg==
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

2026-09-17T10:36:50.342206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063818
observed fca91e8f3c8ef928f151ef54b6d9f0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.323413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063818/manifest.json
observed 7076ed19a0302e1002b9dfd4cbfb07e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.303967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063818/publication.md
observed 888c77e7f7b4ce38de0a77671511e877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.284596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063818/publication.txt
observed 81769d554e616ed73b9467026368931d...
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.