OpenTechnical

OT-2026-000032358

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000032358) never changes.

Identity and time

Publication numberOT-2026-000032358 · never reused
Internal UUID01a0ae75-106e-7d92-a534-fc231c2d85f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032358
StatusPUBLIC

Content hashes

Canonical text058636709eae41986b0072e5b094cc32255b79733695cd213dcf29b03c4a82e3
Markdownc964d2ebc9b4a687d4a95286e52bec2a885d6f852f0cc71e437352977b5ebbdd
PDF
Publication page817309108a471a869e1a59a9847f3aa10725888e31f83214f67121bd0abaf2d5
Manifest2301c26b5ab9437874125e7fbb73a0e9a559df6b4555c1c415f1f489d2460984

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
SignatureNb8lsXO2NwgrcjrhupvAEPL2rNx0gum1I0QFZt0/CZmOXPWGq0scNUA3qjw4tzeWL9lTEWx9I//X35wrMsQ8DQ==
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

2026-09-17T11:33:45.242342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032358
observed 817309108a471a869e1a59a9847f3aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:45.223444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032358/manifest.json
observed 2301c26b5ab9437874125e7fbb73a0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:45.204282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032358/publication.md
observed c964d2ebc9b4a687d4a95286e52bec2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:45.183113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032358/publication.txt
observed 058636709eae41986b0072e5b094cc32...
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.