OpenTechnical

OT-2026-000047832

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000047832) never changes.

Identity and time

Publication numberOT-2026-000047832 · never reused
Internal UUID01a0ae7f-c421-74ef-844f-95a1fd8a2881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047832
StatusPUBLIC

Content hashes

Canonical texta5664e07e4e1df5757fb951391beb694c84aada66618aff4a2ddebb258a20e82
Markdown595e2bdfd14d91a158e75b8e4739132003613d8e06412225810cbc5674038182
PDF
Publication pagefa906f9680790c243ee7bdd322828dc239732006832ee130b9aa727a9bece6f5
Manifest6a317b48b57c794a143d6bf545e5f7ac029b8b14d64392c4de4674102caba6c2

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
Signaturej0Iu6XpC5vjGzgq6BquhjtWEtINFJcvTdNS+KtoBa3POSxHVTWFcVmmvMKG0mm+ZrA/TogNh+dQiQYuRMx1aBw==
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

2026-09-17T11:05:44.761181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047832
observed fa906f9680790c243ee7bdd322828dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.744036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047832/manifest.json
observed 6a317b48b57c794a143d6bf545e5f7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.723893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047832/publication.md
observed 595e2bdfd14d91a158e75b8e47391320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.704589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047832/publication.txt
observed a5664e07e4e1df5757fb951391beb694...
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.