OpenTechnical

OT-2026-000074829

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074829) never changes.

Identity and time

Publication numberOT-2026-000074829 · never reused
Internal UUID01a0ae93-ac2c-7ae5-b27d-7b5b2924d974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074829
StatusPUBLIC

Content hashes

Canonical textcf92d7fb83d336f85bb33c4b6301b20ff7e119482e8ae5119c53ac6e2baf91ce
Markdowna20778394542dfc951b7d9af43c1de97141bcaa09254de63e758b2563ed152b2
PDF
Publication page8406926115aeb027a6da14ba9c4a74da8f8e3ea2f80c0ec6eff92c0b9d355fc9
Manifest6210791d3eb7ce67f232baefd0db335147e2504da09ead2132ee256689aa260f

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
SignaturebndXyHVNhF8X6hYfnwgOJumoyDBf+J2VCGRPpm6/9/Z8xUnyAV6UKO2mhtGoOj2dkYrvo/iBtHumoIqyqOqkCg==
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

2026-09-17T10:18:32.385467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074829
observed 8406926115aeb027a6da14ba9c4a74da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.367365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074829/manifest.json
observed 6210791d3eb7ce67f232baefd0db3351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.349536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074829/publication.md
observed a20778394542dfc951b7d9af43c1de97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.330992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074829/publication.txt
observed cf92d7fb83d336f85bb33c4b6301b20f...
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.