OpenTechnical

OT-2026-000087221

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000087221) never changes.

Identity and time

Publication numberOT-2026-000087221 · never reused
Internal UUID01a0ae9a-9f2e-7863-9d3c-df005d800949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087221
StatusPUBLIC

Content hashes

Canonical texte45f0957e996f300ce4f17088e9692895830d8dbc3f4ccab7b2027851df40f7e
Markdowne472c2f522c523c71d29c030e1aebbc00023f319be7a8a3f6fa25ba1411009c1
PDF
Publication page1996bf9f15ec56bea61516da4b266bc185b32fa9aea9200565dc26be91de72f4
Manifeste076f04cd08b3c024ac388fbad24a67ab1d77fbf78f75a0912dd0b3a359814ef

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
SignatureJefJx0Ag16/G85JdHBSv6Oh/EMIjcHIQJY5bxpa5eoyJgXWnBxbzmbTD+b1whWoJT/Kpd8/rvwBZuXPuJZPZCA==
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

2026-09-17T09:51:30.207872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087221
observed 1996bf9f15ec56bea61516da4b266bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.189683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087221/manifest.json
observed e076f04cd08b3c024ac388fbad24a67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.169831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087221/publication.md
observed e472c2f522c523c71d29c030e1aebbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.151063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087221/publication.txt
observed e45f0957e996f300ce4f17088e969289...
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.