OpenTechnical

OT-2026-000095878

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095878) never changes.

Identity and time

Publication numberOT-2026-000095878 · never reused
Internal UUID01a0ae9f-fac7-7a34-ba4a-2d16cfe44638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095878
StatusPUBLIC

Content hashes

Canonical textecd653c0f0b21e63a390088cfd2cfb8958bb878309288533c0d8e70db042dd23
Markdownfb3de719c469c11c2ec248df27f78bef1a517e77e3437bb3cdabe50118313b8f
PDF
Publication page4b6fb07d962e2e84b90ad4cf7307958a04f553b87bf8915f720dd0fda095c253
Manifestf62e4585a4823881f01fc7601a59f766387400b176ca92b0147456841793e5ff

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
SignatureF1nW/5RWVhgG/Jd+8pE7P+KtuoXm+u6VJ3hOYpYe1untqhIenw+czmQZHaEJ0HDb4UDDXdMchKSTXKiufGZhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:03.778058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095878
observed 4b6fb07d962e2e84b90ad4cf7307958a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.760412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095878/manifest.json
observed f62e4585a4823881f01fc7601a59f766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.743262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095878/publication.md
observed fb3de719c469c11c2ec248df27f78bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.725105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095878/publication.txt
observed ecd653c0f0b21e63a390088cfd2cfb89...
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.