OpenTechnical

OT-2026-000090996

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000090996) never changes.

Identity and time

Publication numberOT-2026-000090996 · never reused
Internal UUID01a0ae9c-c011-7004-a757-4b98a1933265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090996
StatusPUBLIC

Content hashes

Canonical textec13b070688fb7f3ac883703fe1a31dfb52e964b4d06cd943dd400b8157998be
Markdowncf8db1436466d654987329537f4e666042f210a627fc028eae152cc93c3ad4a9
PDF
Publication page131aab2471b9919b4dd6e0ab2ab321bf17bdb0c113e36c5ea964c928174f6d9d
Manifest8967a3f7c0c8836f08d69996807171d7aba193f194cbcd90c4e6231d276561ce

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
SignatureXkkkvdqh4s4Y2wivhWwezfGOVZQQcTtzMz6mDbu8zDRMrkRox8CWiVpnWkehX1PjP74srgUIXJhmyX1s6655Dg==
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

2026-09-17T09:44:13.668504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090996
observed 131aab2471b9919b4dd6e0ab2ab321bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.652502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090996/manifest.json
observed 8967a3f7c0c8836f08d69996807171d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.635293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090996/publication.md
observed cf8db1436466d654987329537f4e6660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.617274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090996/publication.txt
observed ec13b070688fb7f3ac883703fe1a31df...
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.