OpenTechnical

OT-2026-000006752

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, contact triggered, polyurethane cups, flat form

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-2026-000006752) never changes.

Identity and time

Publication numberOT-2026-000006752 · never reused
Internal UUID01a0a966-35fc-7974-b2bd-82bf10d7cd2d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:23.136005Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006752
StatusPUBLIC

Content hashes

Canonical text8cf8f197cb73a8dfd15dd444a4e2ea761fd252d33d9f0997fbb73382ee54959e
Markdowna997b5158a100a612bd4cb48c47f951e31f267d7710d98142b5ec01853f1ddfb
PDF
Publication page7790d39d502a16d71dcfd8a96aabb9204aaebfe4ae980f885271b33bc1c1527c
Manifestfbab18ad397247943db0700ccb02105eaeca29285acbff1ef6aca9233a301413

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
SignatureOP91Uke5PyPxZjegG7uG9gIZ5e2YbqBw9hPEghCb1TuOHZ8qqzwG+Iner3V1y60R+YR2QhOdjiDy849CAQH9CA==
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

2026-09-16T08:50:10.222843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006752
observed 7790d39d502a16d71dcfd8a96aabb920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.211211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006752/manifest.json
observed fbab18ad397247943db0700ccb02105e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.195424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006752/publication.md
observed a997b5158a100a612bd4cb48c47f951e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.182446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006752/publication.txt
observed 8cf8f197cb73a8dfd15dd444a4e2ea76...
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.