OpenTechnical

OT-2026-000014206

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000014206) never changes.

Identity and time

Publication numberOT-2026-000014206 · never reused
Internal UUID01a0ae6d-b279-7769-9daa-75159074d8e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014206
StatusPUBLIC

Content hashes

Canonical texte254a0f0ad406f25dd4295fc8040e0473ce1767e3d9cb53e0b00d2a3e833ce25
Markdown4921d3fd369ccedd6cf1e484cd7d0dc99b3a53ff55c16d493a495d5caddd4f06
PDF
Publication pagea99ff8678f2e11d4405893927401cb4a2f407b451c3948cba2dffa3e0c99fcc8
Manifesta48af2fe00f9ce6a62e7993c888e3b0b71fac7a7634ec8b30d56eaa4dbc497ab

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
SignatureRgfGHrnvWI0Uvh72UkJUtY3Y7BoP7DFDtN+AXuzLG16Bw5FBGC8zAIISAtiNcjid5iwEHIZP1WpIfdpTyVwgBA==
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

2026-09-17T12:07:18.652561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014206
observed a99ff8678f2e11d4405893927401cb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.633704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014206/manifest.json
observed a48af2fe00f9ce6a62e7993c888e3b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.614300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014206/publication.md
observed 4921d3fd369ccedd6cf1e484cd7d0dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.594713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014206/publication.txt
observed e254a0f0ad406f25dd4295fc8040e047...
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.