OpenTechnical

OT-2026-000091259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000091259) never changes.

Identity and time

Publication numberOT-2026-000091259 · never reused
Internal UUID01a0ae9c-f16c-7089-881f-36652dc95be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091259
StatusPUBLIC

Content hashes

Canonical textd749e5d6381a22d10edd5fd2817e88a42a74c00f60b90ccdf64c1decad878552
Markdown43fe726da28ea13fa20ba3ad4024391c62af66566cb43dd1f11f32e21eaec1eb
PDF
Publication page1ed523d641349fbdcfa84509aec9839f4575ea08bbce6493f5536105af84c7e3
Manifeste631f13efe5d0ef3bff4966a554958024242a3ddac24c8ab13f5f181990b98c4

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
SignaturepSOyguZrQkQeSMaTDeITcU0Z/N9eg7dFNmMXGzHx8TEGMoSisLwWZrevhFhMfi4UIOQ4LelIJcER1bxiK5GvBw==
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

2026-09-17T09:43:26.236473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091259
observed 1ed523d641349fbdcfa84509aec9839f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.219588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091259/manifest.json
observed e631f13efe5d0ef3bff4966a55495802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.204219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091259/publication.md
observed 43fe726da28ea13fa20ba3ad4024391c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.187199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091259/publication.txt
observed d749e5d6381a22d10edd5fd2817e88a4...
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.