OpenTechnical

OT-2026-000006849

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, contact triggered on the face, polyurethane cups

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-2026-000006849) never changes.

Identity and time

Publication numberOT-2026-000006849 · never reused
Internal UUID01a0a969-945c-7cbc-acb4-8121f67179ac · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:03.903657Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006849
StatusPUBLIC

Content hashes

Canonical textd369fe01aa6b9cb267c7e1830faf440b352dcfed01aff7df4b4e4e3398ec4358
Markdown6937665315705fd27364dd435e45f7fa94478e6a1a7f4e3cd760bd54df21d63b
PDF
Publication pagefc96adf8ef4845994869c876fb27cdd6c820a064f1f8821e1311dee044ae442e
Manifestd2a22e704a144f88c1ce78e5ed0a40a922125bb9060eb992e18f86d0a99aebd4

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
SignatureiuWFGrwaqqGB8eZ3hsGAJmnVbavAFAHjB7B5szi081urecheyizWMNVXIjnG/Tg9TIU2twZ4/koJwd8HX2J6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:29.426563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006849
observed fc96adf8ef4845994869c876fb27cdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.414134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006849/manifest.json
observed d2a22e704a144f88c1ce78e5ed0a40a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.399331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006849/publication.md
observed 6937665315705fd27364dd435e45f7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.386623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006849/publication.txt
observed d369fe01aa6b9cb267c7e1830faf440b...
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.