OpenTechnical

OT-2026-000027386

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027386) never changes.

Identity and time

Publication numberOT-2026-000027386 · never reused
Internal UUID01a0ae72-6997-7769-9105-9a37b39b7c4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027386
StatusPUBLIC

Content hashes

Canonical textfcbce5d5565654418a56156fda574c82493867efaacc02ae1437a7f7104f5181
Markdown7942c5ff83ff467589f0c83d84a4c0a29fc8aeddbc4c001f3bc1764e513f9bcc
PDF
Publication paged63206ba168ee617438c5cba0907dafae59056dc5e60fe8e355a439b5ac96d81
Manifest5a918448a081abdeddb1882b23553701fccd1526602b4b36f463aa840e250d3a

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
Signaturejfj2qr2wyJm4eIjZGBMaEh8rBmvg26uVc2EIFy3oOYakOTaLgud83Pftq6r7fx/evwY/RrumuQ9r+p3y6sP3Aw==
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

2026-09-17T11:42:48.325881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027386
observed d63206ba168ee617438c5cba0907dafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.307897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027386/manifest.json
observed 5a918448a081abdeddb1882b23553701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.291075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027386/publication.md
observed 7942c5ff83ff467589f0c83d84a4c0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.275388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027386/publication.txt
observed fcbce5d5565654418a56156fda574c82...
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.