OpenTechnical

OT-2026-000027690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027690) never changes.

Identity and time

Publication numberOT-2026-000027690 · never reused
Internal UUID01a0ae72-699a-7822-bfc9-a49d1414228f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027690
StatusPUBLIC

Content hashes

Canonical text1e18aa25cfd3196d9cc1e732581fcf65b88fd3cf1e9781dc425a81874759e16d
Markdowna6ce3b9d2792de9f96adaecacf8ae4a4f72ebe7e46dab8693a67e5cb2f380baf
PDF
Publication page538fe9264b27aab695c9b8a6b2725f1ea9de56bd1f7c5c645bacc5c770353bf7
Manifest36885c31efe469fad8466f5af86036ef8084a4648474f43360419a28e6b454d1

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
Signaturen3J+ZYtTtUlFLJQloLjQzW1p4K9PeqUZ9nPdUGiRD/EKQRISbJ6bcdwCbiozOPZAhhBEpbtNojY1faSnRxoOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:13.893365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027690
observed 538fe9264b27aab695c9b8a6b2725f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.874086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027690/manifest.json
observed 36885c31efe469fad8466f5af86036ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.840127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027690/publication.md
observed a6ce3b9d2792de9f96adaecacf8ae4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.822462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027690/publication.txt
observed 1e18aa25cfd3196d9cc1e732581fcf65...
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.