OpenTechnical

OT-2026-000007020

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, ejector fed, rubber cups, oval 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-2026-000007020) never changes.

Identity and time

Publication numberOT-2026-000007020 · never reused
Internal UUID01a0a96f-c98a-7190-9868-4b285dd0dfd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:50.734120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007020
StatusPUBLIC

Content hashes

Canonical text8cf51a07697df581663bc7246484dabece05ec56d5b84e189ea71886bf6ac838
Markdownf13e95b9de966c68bd9a14a98e4f920d0902e7249b9e11c31f89cf95a0e90b83
PDF
Publication page7d826b3bbd90b529351e1a5bc37ba14099942bfd7054b1b94759864bdd38fc5f
Manifest84eaa18cdcf1670c69922c62e2505cafe538a58c197aa1e3eecb4a3713779823

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
SignatureD+tnT1DYcm/ug+wHvzi9wbV2/BvmcbRjvd9UxKwz+WIyYUhxyPk998mfkAMnArBAnXQHpxUvHv1Lfa3ziuepBw==
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

2026-09-16T09:00:10.964424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007020
observed 7d826b3bbd90b529351e1a5bc37ba140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.951141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007020/manifest.json
observed 84eaa18cdcf1670c69922c62e2505caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.936402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007020/publication.md
observed f13e95b9de966c68bd9a14a98e4f920d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.923020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007020/publication.txt
observed 8cf51a07697df581663bc7246484dabe...
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.