OpenTechnical

OT-2026-000063943

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000063943) never changes.

Identity and time

Publication numberOT-2026-000063943 · never reused
Internal UUID01a0ae8d-53bb-7d65-9a97-b96130f812f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063943
StatusPUBLIC

Content hashes

Canonical text56d5890dee76da0ae46489f26e716552f7a3bfb6e82b5e077bc1e5f4f34e7a4b
Markdown8b14ef5d7451cdef61316ca44283eadff18374702e9383b5c871e81b7a55ddfb
PDF
Publication page9e77bbd2d448fdfe6d60938d58272a98b668b31804bd57a86e06be31b1b07492
Manifeste045628dd7c802184e30557ae4906f5cd678a1b7d033c537fcc2c27cf4be0768

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
SignatureLnWBflH/Mp1+jq1yoTD3xE1Bx7mKwof0FvS7xZsCK1Tn0/iqvyJ2j0NyxxM//I4z4e1KzhrZhZ28j2aDwgBfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:00.052283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063943
observed 9e77bbd2d448fdfe6d60938d58272a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.032895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063943/manifest.json
observed e045628dd7c802184e30557ae4906f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.013921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063943/publication.md
observed 8b14ef5d7451cdef61316ca44283eadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.991628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063943/publication.txt
observed 56d5890dee76da0ae46489f26e716552...
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.