OpenTechnical

OT-2026-000033811

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line 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-2026-000033811) never changes.

Identity and time

Publication numberOT-2026-000033811 · never reused
Internal UUID01a0ae75-a391-7764-a245-0eed43d56048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033811
StatusPUBLIC

Content hashes

Canonical textb271967e30b276600b4bb26c9a28876cb7cbaf4259dab3b96dd49ec31c48bbb8
Markdown8102564f027ea955e981a7e922ccc33c67bf3cc162c758e60a14272c36c2a148
PDF
Publication page3fd6be94c1dd0095a2de3b8799d4827f9807e4afbf30e9defa34fd43ff5bc931
Manifest6c34f56124fb21051cce28bbfe9bcde61ef57da269d758fda72fb78c874e160b

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
SignatureeEIwVOt4AieCFPhIuvNa6jyr0BzgdsDROuO4emike/Z5hppGr5B4AnyBxlPY7Gf1Vcrr7z4ItKVvEpbAOfROAA==
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

2026-09-17T11:31:51.414194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033811
observed 3fd6be94c1dd0095a2de3b8799d4827f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.396497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033811/manifest.json
observed 6c34f56124fb21051cce28bbfe9bcde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.377656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033811/publication.md
observed 8102564f027ea955e981a7e922ccc33c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.360190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033811/publication.txt
observed b271967e30b276600b4bb26c9a28876c...
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.