OpenTechnical

OT-2026-000073995

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000073995) never changes.

Identity and time

Publication numberOT-2026-000073995 · never reused
Internal UUID01a0ae93-2b8f-7802-8313-f0eeafa0a17e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073995
StatusPUBLIC

Content hashes

Canonical textde6ef369263eb3e0041c4f7fe9098d649502219e9aa9efb585ee79167711e0d4
Markdownc516a6abfb5c4c92d92a7c02cbda7aeda806222fa32ba70445efddab5ad556e1
PDF
Publication page8dc229f6b1a210afb5c2b8b81bd4e0ce1c8a407ff1e4f4d1d741f462492fbbec
Manifest31b7e10734742edfb0082a99f105bad24166482c7317f7b73b981736c7fd9c02

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
SignatureoUxJr0LKkkbqMct1msVG9TnAZSutXoFOtghYKSJCqb/8c2O9Cy7sb5T0cGbgrnVIQ6fbBH0/5QLbtGHwJuLjBw==
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

2026-09-17T10:20:17.548679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073995
observed 8dc229f6b1a210afb5c2b8b81bd4e0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.531566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073995/manifest.json
observed 31b7e10734742edfb0082a99f105bad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.512608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073995/publication.md
observed c516a6abfb5c4c92d92a7c02cbda7aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.492419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073995/publication.txt
observed de6ef369263eb3e0041c4f7fe9098d64...
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.