OpenTechnical

OT-2026-000082621

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, sustained 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-2026-000082621) never changes.

Identity and time

Publication numberOT-2026-000082621 · never reused
Internal UUID01a0ae97-8cc8-7b16-8602-4d4581f1610d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082621
StatusPUBLIC

Content hashes

Canonical textf360a044fe944d119c99f74aaeedc62383bc6131afbffde7bbf2cd994df623cd
Markdown53813eab7c9dc1b410b6a6538e1a52910ecef7283b420b901c265f74c11b69c5
PDF
Publication page035c58d8761aba319cdb7e08ce5054568fe0ea3ecaeb7dd364d16900455d93c4
Manifest9a518118281ddf778a1e5b3ab8a385bb54f0af7c1776a7481af42ec79db1ba78

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
Signatureoxe1yfvi2YgZ/1EXj+dg/aXFga1tc4jRLv5cGWsBqoSXayT1ZB27vPmcPmToZIs5ECbEsz+cBKP0g9Z9mP8/AA==
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

2026-09-17T09:58:04.068307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082621
observed 035c58d8761aba319cdb7e08ce505456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:04.051456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082621/manifest.json
observed 9a518118281ddf778a1e5b3ab8a385bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:04.035015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082621/publication.md
observed 53813eab7c9dc1b410b6a6538e1a5291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:04.019669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082621/publication.txt
observed f360a044fe944d119c99f74aaeedc623...
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.