OpenTechnical

OT-2026-000063887

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000063887) never changes.

Identity and time

Publication numberOT-2026-000063887 · never reused
Internal UUID01a0ae8d-53bb-75aa-a198-a25cfd6c9153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063887
StatusPUBLIC

Content hashes

Canonical textba3cc890fb91d8afd3d7bedcd0998097715e3f38cb0c9c486193f14245984dce
Markdown0d649643698b18ac5407db3d3fd450af66f62fdb35428700c229d789a426ee88
PDF
Publication page23850525dd8ec8a11911c1dcf9eb3d225328e8e912888f04244752b29af99ba6
Manifest26624a7d18d88b9824ff1da8eaa39ff637adcf7a7c6a87516de28c904392c30a

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
SignatureefaVHHdEr06+iCZXSLBbHqty1E2ZmheKl4W77l/GuuYA9PsfxWIYXEVzkfWJHHqB/LuIo3IOnCAPYgbgceKtDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:55.799706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063887
observed 23850525dd8ec8a11911c1dcf9eb3d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.782869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063887/manifest.json
observed 26624a7d18d88b9824ff1da8eaa39ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.766466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063887/publication.md
observed 0d649643698b18ac5407db3d3fd450af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.744191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063887/publication.txt
observed ba3cc890fb91d8afd3d7bedcd0998097...
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.