OpenTechnical

OT-2026-000070149

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000070149) never changes.

Identity and time

Publication numberOT-2026-000070149 · never reused
Internal UUID01a0ae91-1862-7cd0-9858-e08aca809083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070149
StatusPUBLIC

Content hashes

Canonical textc9e2694e04bb14a759dad5359e0567a9c1845d4ead4c5dbc47c68a00cceba979
Markdown3b63a54c91b7833db8ce5eb958c69c62e23f47c5c9cadfbee58f34f62dc2fe1e
PDF
Publication page564cda6c8ac5d6728e11e2aaed1e8450cb775ba8b35fd57279730f04f9eb2fe2
Manifest4ca8d3ad66ec1761ca01c7c1889b474da7499d79c419f326f55182182e2d5080

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
Signature+CeiPr2m1yB1WcDUmdrwanbrGQUd6OunDr8NJmyr19QSIy1sVLeYJLwohMEQa5dlLg7Nw+cQ5jb+vnEwaWHODA==
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

2026-09-17T10:27:11.703199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070149
observed 564cda6c8ac5d6728e11e2aaed1e8450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.685131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070149/manifest.json
observed 4ca8d3ad66ec1761ca01c7c1889b474d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.666330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070149/publication.md
observed 3b63a54c91b7833db8ce5eb958c69c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.648435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070149/publication.txt
observed c9e2694e04bb14a759dad5359e0567a9...
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.