OpenTechnical

OT-2026-000045483

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045483) never changes.

Identity and time

Publication numberOT-2026-000045483 · never reused
Internal UUID01a0ae7c-f76d-774c-aa64-5cabfac1a738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045483
StatusPUBLIC

Content hashes

Canonical texte80d8533a0db29cf64bbf251faaa01d41ec220f301ae78e722d1be0fdec1dc9f
Markdown3424aa415d8a717fdeb7241e0f77d821587c8e60bc3ed52802f6f4fac60c845a
PDF
Publication page36260d4eacdbeee107db8cf3962243b8d7ef03a6eca0f00b84d211eecdde0fd6
Manifest2a2687ef9cc4a47a2b925c21baafad587ab05760af63f4992d2f77bd4c769ad1

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
SignaturesL9QpqC12W+WgZxUaCfY+DcaB4OnF4uXRSH65gmF7dotHyK09lsusM3DYgHdm41Hs9A11ReZF4ckOOL3WHEPDQ==
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

2026-09-17T11:11:17.795169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045483
observed 36260d4eacdbeee107db8cf3962243b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.775120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045483/manifest.json
observed 2a2687ef9cc4a47a2b925c21baafad58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.758074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045483/publication.md
observed 3424aa415d8a717fdeb7241e0f77d821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.738882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045483/publication.txt
observed e80d8533a0db29cf64bbf251faaa01d4...
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.