OpenTechnical

OT-2026-000046863

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000046863) never changes.

Identity and time

Publication numberOT-2026-000046863 · never reused
Internal UUID01a0ae7e-d0f5-7717-b139-e45fa030f761 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046863
StatusPUBLIC

Content hashes

Canonical text5d07fe15025fa0ab96eacae8db467056dad0cb95ab62eb43ddf41e33ef1555ec
Markdownd673c5e77fe3964340eef28819a00a9b61179081d0cd3843adeacfbd615e676c
PDF
Publication pagea3e49b56868fb5e535f20a8badf104cbaa8c403685e12d064022c06dcedefce2
Manifest4a8b49dec53ee843fd37b1e8ed141f554f38a6cc70de72a34b8d1825253aae7d

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
SignatureaELIB4JtG5q//tTC0iFUgm7ewVyPQOLjJW1vQO4/fe4+M+wMlpRioAL0IBUwyRWR+0oKl+hloIna3uvk1oJuDQ==
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

2026-09-17T11:06:58.087988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046863
observed a3e49b56868fb5e535f20a8badf104cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:58.070607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046863/manifest.json
observed 4a8b49dec53ee843fd37b1e8ed141f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:58.051159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046863/publication.md
observed d673c5e77fe3964340eef28819a00a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:58.004965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046863/publication.txt
observed 5d07fe15025fa0ab96eacae8db467056...
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.