OpenTechnical

OT-2026-000072703

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000072703) never changes.

Identity and time

Publication numberOT-2026-000072703 · never reused
Internal UUID01a0ae92-89d9-7a79-902d-c24723e22cac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072703
StatusPUBLIC

Content hashes

Canonical textb17903fd12b94344b4694d0706a85112eb5cbfe61da0c526f8b54c15b21344cb
Markdown3fd18d5f0c52724f8c26ff86aec162cd89438cf3df4fa42a5564615af162dd11
PDF
Publication page049b56510833a32e597e7213c816e1334b72cccee4e0a076b62debea96049004
Manifestd11e8c3f49e543e0deb279dec917efb94b72d91d1583dae2eebf918b528f82df

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
SignaturescOjjT4+a8V5eSIblGiWl2Uw1fmjcWZgWU7N4k6qA0T8dGoN0h/qngL4d7C5ZIS9VaJKiKtAiQTfg2MOJ0jDAg==
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

2026-09-17T10:22:35.830674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072703
observed 049b56510833a32e597e7213c816e133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.814293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072703/manifest.json
observed d11e8c3f49e543e0deb279dec917efb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.794616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072703/publication.md
observed 3fd18d5f0c52724f8c26ff86aec162cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.777805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072703/publication.txt
observed b17903fd12b94344b4694d0706a85112...
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.