OpenTechnical

OT-2026-000100125

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000100125) never changes.

Identity and time

Publication numberOT-2026-000100125 · never reused
Internal UUID01a0aea3-3052-73c3-ba75-e020406ed560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100125
StatusPUBLIC

Content hashes

Canonical text513a531ad456cc0848f332026b44498e33e31de341f04de12fac39282635ec35
Markdown5fbdc040f948fa64fe04930252d6874835c47e735328c49acfbb509161456ada
PDF
Publication page5c6585600247e9bc4e0b9a567b99eaae2fd498ae6ce6c4cab0d8eae52255e783
Manifest25906290b8d1c6658250e61be31a7ea10d79dcd43750905a0f57d6308b20b4a8

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
Signature+uZIXodK62uPGHs22qHK0+bWmoI9+VHADClRoQHS3ufhN13Pn1J8UpSi3OAyrtOf883vEURsdheXQhHvApjpCw==
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

2026-09-17T09:27:48.772818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100125
observed 5c6585600247e9bc4e0b9a567b99eaae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.754343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100125/manifest.json
observed 25906290b8d1c6658250e61be31a7ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.735671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100125/publication.md
observed 5fbdc040f948fa64fe04930252d68748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.716254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100125/publication.txt
observed 513a531ad456cc0848f332026b44498e...
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.