OpenTechnical

OT-2026-000034598

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000034598) never changes.

Identity and time

Publication numberOT-2026-000034598 · never reused
Internal UUID01a0ae76-1ed1-7801-8849-9556dba00548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034598
StatusPUBLIC

Content hashes

Canonical textb84b0a14a01a715591e627ee9798e7b5f563826ba38c2706917579e9eb3e21de
Markdownd798fede621c231b5f87aa17d1b99907376310c374fa1d239e4851c93db19fb0
PDF
Publication page3eab65be69a1c122455d61c81f05b001816bbe8b2eb16022640c9032a1676d85
Manifest389cfe28536123d73f977ca09009ee013807fc327216a28745e3172c412c0bd4

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
Signature8fCxJJeQ8tzBWhCP1PgMbaYOi8qSbawaB7wel+bnSgFToIE8VdCi9EFLebEOqSThFAbzU0nu6p2JsP3EhtfbBg==
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

2026-09-17T11:28:58.557738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034598
observed 3eab65be69a1c122455d61c81f05b001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.539317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034598/manifest.json
observed 389cfe28536123d73f977ca09009ee01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.521905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034598/publication.md
observed d798fede621c231b5f87aa17d1b99907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.503083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034598/publication.txt
observed b84b0a14a01a715591e627ee9798e7b5...
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.