OpenTechnical

OT-2026-000071357

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000071357) never changes.

Identity and time

Publication numberOT-2026-000071357 · never reused
Internal UUID01a0ae91-e0ed-77d5-85ec-60802fdbee61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071357
StatusPUBLIC

Content hashes

Canonical textb847135278fdc4305739de26d58bf8ef3dea86c595bf3f4b4379058057162eb2
Markdowne60f1d5bc73d810538ddc3e3fea403ff7a75a6433363d05944ad08db17ad3066
PDF
Publication page26bd5a4a097af461ddda2b90b887c45bb90e1f21bfef33aff36e39e58f890856
Manifest9ca8303621aef648547fe5e1a0701a91bb9013634aac49485531ec05946d733d

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
Signature6A2rTqcz9yrBQ4CBbSM1yNk3ierxPAFKoe1DmVlhvpJdUJlvCBsauzVdr+u/pTm/M4pMcXA7bbLzMG+7ChemBA==
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

2026-09-17T10:24:58.016595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071357
observed 26bd5a4a097af461ddda2b90b887c45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.999156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071357/manifest.json
observed 9ca8303621aef648547fe5e1a0701a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.980260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071357/publication.md
observed e60f1d5bc73d810538ddc3e3fea403ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.962431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071357/publication.txt
observed b847135278fdc4305739de26d58bf8ef...
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.