OpenTechnical

OT-2026-000078097

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000078097) never changes.

Identity and time

Publication numberOT-2026-000078097 · never reused
Internal UUID01a0ae95-6e8c-763b-bc69-dd6e0dd1206d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078097
StatusPUBLIC

Content hashes

Canonical text9d7790496047a1b768e083a16d35814d9bda9a203fe104d475b7fbc7ed5e09a2
Markdown157e791be16b464fe2bc51ca06c987e793b0cd7322544d38baaf3b9fbca4ea8b
PDF
Publication page31de28321d0aa14b7812e84fdb9c4c1051d8a0f7deb33bc4191b53d1e20a3dbf
Manifest497fa19fb29968211d9e2a9ab7fa53b19cdb11d28167cab45c32ed7850bd2564

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
SignatureMC/qBeRXggmR6brwMCckEB8mnXeAQWC2o19ETnU3ldD79CaJ/049SdAGo8ECZdFJr/CVMo5J2RdgHOyjeXCMAg==
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

2026-09-17T10:06:48.345634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078097
observed 31de28321d0aa14b7812e84fdb9c4c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.323248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078097/manifest.json
observed 497fa19fb29968211d9e2a9ab7fa53b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.297401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078097/publication.md
observed 157e791be16b464fe2bc51ca06c987e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.279232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078097/publication.txt
observed 9d7790496047a1b768e083a16d35814d...
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.