OpenTechnical

OT-2026-000071035

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000071035) never changes.

Identity and time

Publication numberOT-2026-000071035 · never reused
Internal UUID01a0ae91-8c2e-75b6-af29-bf70d85616d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071035
StatusPUBLIC

Content hashes

Canonical text14a4ee199d623939f9993963d8506e10606ce05e211684c83edd74f29ef24caa
Markdownab1948c6fd2f01508e3a87d4021cc92a68147b67d1f92854e99433fe5e21d712
PDF
Publication page263caa5cf0388e03912fc2a4433f63b017a13d1717ae3d95b6bbaa5c22942643
Manifest94fb3adff612a9255d86e9a7e00de0009df3b0f13620d30b421303e9fae658ba

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
SignaturepWSD1vkNr3inCvMJ3tpZ1hC/Onis2uZxpxbKnNN5FNWvJGVcAWIagJqiCm4nCxWWpPMrIH6pgpWL2FteUnVoDg==
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

2026-09-17T10:25:53.371822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071035
observed 263caa5cf0388e03912fc2a4433f63b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.355838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071035/manifest.json
observed 94fb3adff612a9255d86e9a7e00de000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.339991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071035/publication.md
observed ab1948c6fd2f01508e3a87d4021cc92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.322895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071035/publication.txt
observed 14a4ee199d623939f9993963d8506e10...
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.