OpenTechnical

OT-2026-000090498

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000090498) never changes.

Identity and time

Publication numberOT-2026-000090498 · never reused
Internal UUID01a0ae9c-7f2e-7974-80ee-d955394833cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090498
StatusPUBLIC

Content hashes

Canonical textd8c636658543f1e0a10d9b08a61e58983aad590b7cee3723585e335c961cdc82
Markdown1eddb1c10f46abfd79cd2fda40a990627d9a602b18a1ffb012f9a40530190328
PDF
Publication pagee25a4ee236bf26d826c2644b5c2416f33443c97d2b20d41dfafbec1999c714f3
Manifestc7b9f291132df0409ab1e97d7c3cd1d77502d517331a8f828802f8a18afcd93f

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
Signature3iElmiBYCV6HXnLobAZGv6lGAPjDQ41xueH002EOgSTGZTxHdjJJpX9pTdjQhpTjR9TEWS60OyxxiK8fTAE1AA==
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

2026-09-17T09:44:38.410698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090498
observed e25a4ee236bf26d826c2644b5c2416f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.394483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090498/manifest.json
observed c7b9f291132df0409ab1e97d7c3cd1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.377586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090498/publication.md
observed 1eddb1c10f46abfd79cd2fda40a99062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.360548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090498/publication.txt
observed d8c636658543f1e0a10d9b08a61e5898...
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.