OpenTechnical

OT-2026-000070359

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000070359) never changes.

Identity and time

Publication numberOT-2026-000070359 · never reused
Internal UUID01a0ae91-545f-7191-8713-83e198c9c2b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070359
StatusPUBLIC

Content hashes

Canonical text6ab3eead6c71497b489beaf2b2c12f03ed3cba3f2a927395b6648cf014ffa1a9
Markdowne8eed8d3f2f1663a700eaf554267c1284e49d127f787401141289f9e07b2d8c1
PDF
Publication page174dea5af98456afa4b02c0c6531e17ceabbd6a2db389aab2b7506140d435b9f
Manifest4a83c79dd53780339b9f5f8193d587f2f17e17508c0fd8e3ad93857370b5226b

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
SignaturePqdMlDWufxRL9K2zottKiTW3KBzOAETH1I5hdI+UCNKc9lRSvjP6BcJny7kwN1YgALYZoGPKqsAPOGWloVAsDA==
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

2026-09-17T10:26:09.520350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070359
observed 174dea5af98456afa4b02c0c6531e17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.501968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070359/manifest.json
observed 4a83c79dd53780339b9f5f8193d587f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.482975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070359/publication.md
observed e8eed8d3f2f1663a700eaf554267c128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.464059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070359/publication.txt
observed 6ab3eead6c71497b489beaf2b2c12f03...
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.