OpenTechnical

OT-2026-000035985

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035985) never changes.

Identity and time

Publication numberOT-2026-000035985 · never reused
Internal UUID01a0ae77-01cd-7091-a2eb-b22918879443 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035985
StatusPUBLIC

Content hashes

Canonical textb5ba02251bd50f4a57435cd3f2444db37f88bdd8c40a0ac350ff93f165892367
Markdownd411d4fa6b129ef31cba282e0b61bec419ee29ace713fd6d7b7623e192fad46e
PDF
Publication pagedb21acb2d2008a7eca7b0d52ed189abaf508ac14fe63be0eef1cca21c268ecdf
Manifestc19a30def40146023d6f51216098e1f63730c0303688eb70f192369c33ab7383

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
SignaturerR21eHZRJG80EM9w7kvYvW4hFgmBnE2x/ti549OJ9AIf1623xOa8EoJdvtJXXzvnLO+QcKFYCXgwfOqUoCBFDA==
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

2026-09-17T11:26:08.534999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035985
observed db21acb2d2008a7eca7b0d52ed189aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.519072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035985/manifest.json
observed c19a30def40146023d6f51216098e1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.501431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035985/publication.md
observed d411d4fa6b129ef31cba282e0b61bec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.483912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035985/publication.txt
observed b5ba02251bd50f4a57435cd3f2444db3...
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.