OpenTechnical

OT-2026-000104113

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104113) never changes.

Identity and time

Publication numberOT-2026-000104113 · never reused
Internal UUID01a0aea5-341f-7d44-8b3a-c90c09ce392f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104113
StatusPUBLIC

Content hashes

Canonical text3eaa54b47b7c3f7ffc52fe5d02ae3d4f7580f3b56a461f457aadb74fb30c59cd
Markdown37a9197257978ec68be799eddbb319bc8651317168d7fc126a64d6167b7d35af
PDF
Publication pagea3b347a887479feac3d033b4bcece035f081b2cfbff247a5e5dadc907b90cd76
Manifest072543e0e6461b23e4f0c22edd0e903889bcc2302890749a9bfc1851728db268

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
Signature6cKXDVNdId6cZiC88KBlNIEGr/PtL8trte4bl8kWvIoaJcCt1cX2Bjfkd9Ans9ugyI84sZyH4AudMr/CqCuUAQ==
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

2026-09-17T09:20:11.368837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104113
observed a3b347a887479feac3d033b4bcece035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.350255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104113/manifest.json
observed 072543e0e6461b23e4f0c22edd0e9038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.333104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104113/publication.md
observed 37a9197257978ec68be799eddbb319bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.315658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104113/publication.txt
observed 3eaa54b47b7c3f7ffc52fe5d02ae3d4f...
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.