OpenTechnical

OT-2026-000091937

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091937) never changes.

Identity and time

Publication numberOT-2026-000091937 · never reused
Internal UUID01a0ae9d-43bb-7ef5-8879-8a903d70a6fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091937
StatusPUBLIC

Content hashes

Canonical text603cb4fba3fedd81606d5d0cd37bc1752cfaf03493e6c3b0f8675a5545f4c864
Markdown1560434cecd1a788810050658c286411b245b296ecafa6ff116ddf435cbadebc
PDF
Publication page0566d881121e515421ccfb5fef2becadd497d9bb210be4e83232400c1105188c
Manifestc56c36aedf37e491c7d82d2e7aa2300226d59a910c0e2fa2c65902841f890c23

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
SignatureKs68F9w+rdgmtwpPdY88OpxCukO6BkP3UmZ5/TI8cyUduMtNZhwHrU3h1eDpu7FztwshEue4lvOmR/ZU0n2tAw==
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

2026-09-17T09:42:52.901696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091937
observed 0566d881121e515421ccfb5fef2becad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.882758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091937/manifest.json
observed c56c36aedf37e491c7d82d2e7aa23002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.864860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091937/publication.md
observed 1560434cecd1a788810050658c286411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.846114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091937/publication.txt
observed 603cb4fba3fedd81606d5d0cd37bc175...
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.