OpenTechnical

OT-2026-000019044

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000019044) never changes.

Identity and time

Publication numberOT-2026-000019044 · never reused
Internal UUID01a0ae6e-d523-7425-977c-d72369b31255 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019044
StatusPUBLIC

Content hashes

Canonical texte27864aa9907dd9b7c497c3b5bc194e5f01285ade2e9549183f75f4666650d17
Markdownbc3f2ca60c45a0c2d627004347347163cd440d04d20a462cc13aebcb869cd6c3
PDF
Publication pagea3dec26f3a25f587cd61d12328e9589ceb8b147dd838684fc8bd22c9d479d84d
Manifest0ea21431465923509f229394dc3967eee0c8697017008936dbf292540132223d

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
SignatureueUKMTACZqx6EdTRaOvpC0+pHw54WPw9o6lUwYovj5a5epXg77mJtJiIBTgToRa95gGb9JIEiPIa7pICpwKGBg==
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

2026-09-17T11:59:44.228704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019044
observed a3dec26f3a25f587cd61d12328e9589c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.211016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019044/manifest.json
observed 0ea21431465923509f229394dc3967ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.193521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019044/publication.md
observed bc3f2ca60c45a0c2d627004347347163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.174173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019044/publication.txt
observed e27864aa9907dd9b7c497c3b5bc194e5...
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.