OpenTechnical

OT-2026-000089116

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089116) never changes.

Identity and time

Publication numberOT-2026-000089116 · never reused
Internal UUID01a0ae9b-db00-768d-8ef6-64f5d43f963b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089116
StatusPUBLIC

Content hashes

Canonical text7a23121f8ea9cbcb9f009f31cffd01f3f42e7ba21f4d3c2a6f1cb852a042e9d2
Markdownf36446af76ad30328aac2530bb9c86df09dfc9df3d387c34f793c0e787447721
PDF
Publication pagebc0a81871a8e196ffaa196b0b35c5847052ae0766da0846ddebf2a1803b9f4fe
Manifest52de32384e1a797b2d7569940d2c04dada698c1469c68c06564ce3380b0e6895

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
SignatureTZ1FkgGpF9DTMkIMLjy15exnq/e0szokQFcR7iSJTns4hv06EA7T8R/yle3UK8dD9Rhvntx/r0lG4NHomOmnAg==
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

2026-09-17T09:47:01.611788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089116
observed bc0a81871a8e196ffaa196b0b35c5847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.593269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089116/manifest.json
observed 52de32384e1a797b2d7569940d2c04da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.575668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089116/publication.md
observed f36446af76ad30328aac2530bb9c86df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.557981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089116/publication.txt
observed 7a23121f8ea9cbcb9f009f31cffd01f3...
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.