OpenTechnical

OT-2026-000081526

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000081526) never changes.

Identity and time

Publication numberOT-2026-000081526 · never reused
Internal UUID01a0ae97-0f71-7c8b-9c4d-b7ba6b789b77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081526
StatusPUBLIC

Content hashes

Canonical text8f30d103cbddd986aa82f2372d6189e1f3de553636345ba22689968715625612
Markdownfa381a5df47973971676156c1073793231d04a3de8dbf27c3470094a7cbd0ce2
PDF
Publication page70480efa06be94afeb053dccacb281b0492edd4734ab5bbe8398741048b865ce
Manifest0bd0cd0a68b7c5b2a9f929f474da2f1916421795780bbd8d4d5ab124db99bdeb

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
SignaturedwNUlGuBs4FM6j1c6fiW090adzfi5E+EcbiaCecku3CH8EmpF2pRNvyg9UnsGlevbl3w1mMwo49iDBOl6ncqCQ==
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

2026-09-17T09:59:32.747804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081526
observed 70480efa06be94afeb053dccacb281b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.729916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081526/manifest.json
observed 0bd0cd0a68b7c5b2a9f929f474da2f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.712559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081526/publication.md
observed fa381a5df47973971676156c10737932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.694485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081526/publication.txt
observed 8f30d103cbddd986aa82f2372d6189e1...
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.