OpenTechnical

OT-2026-000076063

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000076063) never changes.

Identity and time

Publication numberOT-2026-000076063 · never reused
Internal UUID01a0ae94-6a6e-7b62-b290-e35a943c24d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076063
StatusPUBLIC

Content hashes

Canonical text2800842bb8a10308b5f43d80a7791931228a445a145c1252bdd29dfafd1e281a
Markdownfb140359ba14eaaeac0cf2bedbd2073e3a3621e988e076ef6d5b1deaf3f3abf8
PDF
Publication pagea67a1ddef79f17b035c80995982f25279a4cdcd0954661237143bd0d040e548c
Manifesta975c374519a6f2d4c39898192c15bdfa443a3ff0a512fb5da0dc9b16b1b2815

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
SignatureIYEjG5G02ZQpMQB4ZBhUsBFLoNUXbtyViQvXxO08pfOocA58tGfDazrCn2lJO0nfwCla325PbqqI8/mlPW3vBg==
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

2026-09-17T10:10:48.547364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076063
observed a67a1ddef79f17b035c80995982f2527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.526540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076063/manifest.json
observed a975c374519a6f2d4c39898192c15bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.508862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076063/publication.md
observed fb140359ba14eaaeac0cf2bedbd2073e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.490321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076063/publication.txt
observed 2800842bb8a10308b5f43d80a7791931...
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.