OpenTechnical

OT-2026-000070643

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000070643) never changes.

Identity and time

Publication numberOT-2026-000070643 · never reused
Internal UUID01a0ae91-8c2b-74ec-aa41-25b61863a1c7 · 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-2026-000070643
StatusPUBLIC

Content hashes

Canonical text6244c4e1cc74ab7f5b2b8c0a200385810d12d07830138b8359825d7d198a158d
Markdown819835b0751a743e8630152249f195eb1b6fbafa7e1b6c74bd2398910289a431
PDF
Publication page97addc0e4d1505d75fad5a714ce4dedcdd19e8d665ce6c119e54a61fefd8cd55
Manifestb1da1eff3facacf3ca7eb7d344a46c06a8da0cc5ab6428829d2e8413383b9b49

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
Signaturem1uRnA0hVL5OMR2fzoFiJepo0lCYqTkeP1C5XllRp5eoaQxX1wOLy5iVBKh942wmHt2lWM7jtPQapqWFVpK/BQ==
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

2026-09-17T10:25:18.961149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070643
observed 97addc0e4d1505d75fad5a714ce4dedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.942564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070643/manifest.json
observed b1da1eff3facacf3ca7eb7d344a46c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.923803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070643/publication.md
observed 819835b0751a743e8630152249f195eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.905606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070643/publication.txt
observed 6244c4e1cc74ab7f5b2b8c0a20038581...
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.