OpenTechnical

OT-2026-000068267

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000068267) never changes.

Identity and time

Publication numberOT-2026-000068267 · never reused
Internal UUID01a0ae90-247f-7c77-90d7-7317f15edcf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068267
StatusPUBLIC

Content hashes

Canonical text2238b1d776428422ff69b915ce90c0bd4f949bdd207bbe1125921c1f68aedf06
Markdown6dd61241852745714e082a076b39dec8ddbd0130273dae4c114a73b705a0fea1
PDF
Publication pagef08838bf0fdeb07d0ac65522bd1a84a82a17eb608e2d5ea97fae4754bcd0cb6a
Manifestdc71f27508d3dbab2228712964daeff59d92f17c65877e1381679a1844fc9f4e

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
SignatureJiTBYFRCU+H+sj8mft7x0BoF4zcvoCRG0mfLBYrC7R+qPYyvv0kTii0zB3PQzZ0NwrrmlFSiB+XSdnxtQJhRDw==
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

2026-09-17T10:29:17.562646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068267
observed f08838bf0fdeb07d0ac65522bd1a84a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.545148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068267/manifest.json
observed dc71f27508d3dbab2228712964daeff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.524736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068267/publication.md
observed 6dd61241852745714e082a076b39dec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.506312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068267/publication.txt
observed 2238b1d776428422ff69b915ce90c0bd...
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.