OpenTechnical

OT-2026-000045987

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000045987) never changes.

Identity and time

Publication numberOT-2026-000045987 · never reused
Internal UUID01a0ae7d-8f89-714e-b196-60fa342d7516 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045987
StatusPUBLIC

Content hashes

Canonical textdb35e85cdcc834e1ce022bbb3f3ac428969b4a1312ae12f77b4631051cc126b2
Markdownb84fa996fefe2d86f87aa63a4944695526330f4c139ecef77ffda3be41572b73
PDF
Publication pageafd5be447ad4b0f9bad7ff0527a433e94d00d297da9ac835f77c637f74b9d45e
Manifest0b737a06a8ce3a937a3eee50e73a85adc26606381a9409b9dff18fa3853aa2b2

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
Signature1WMvEjbWMcMtx/YRzs60RIC0BT/BuWruYeXlylFKdBS5PWkthiMQD+QiqWDh3u9rbBrDzBhi9kgzgDBqt5/uAg==
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

2026-09-17T11:09:59.026503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045987
observed afd5be447ad4b0f9bad7ff0527a433e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.005150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045987/manifest.json
observed 0b737a06a8ce3a937a3eee50e73a85ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.985112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045987/publication.md
observed b84fa996fefe2d86f87aa63a49446955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.964986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045987/publication.txt
observed db35e85cdcc834e1ce022bbb3f3ac428...
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.