OpenTechnical

OT-2026-000078163

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000078163) never changes.

Identity and time

Publication numberOT-2026-000078163 · never reused
Internal UUID01a0ae95-6e8d-7f8b-a28c-c57d218714b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078163
StatusPUBLIC

Content hashes

Canonical text3c0d084264b1bbcf322f4ed987b9ec11bc62e66ae8a7263465b5c1edb11eef01
Markdown5b8bdf59687506cd7eca63ca41f8f40285d5da7a8f958d80114c794b3c5d0d90
PDF
Publication page804eec05db68bbf60df95fbc64d575f64d52567d923d01507cd8f8a5d5aa8c7b
Manifested87be2e60f13e7085dbbce82d5954d86c8da2985d438f92f39440ea7b70dbc3

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
Signature0TJl2PbPy0DtYLHyDMXyrvCPvsbCkiQD1O8v9wX12f56qa0/XC5jN90/4m38ep6UA8hgI7TMbMu5UV9YyCgpBg==
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

2026-09-17T10:06:52.729039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078163
observed 804eec05db68bbf60df95fbc64d575f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.710018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078163/manifest.json
observed ed87be2e60f13e7085dbbce82d5954d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.688556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078163/publication.md
observed 5b8bdf59687506cd7eca63ca41f8f402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.671167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078163/publication.txt
observed 3c0d084264b1bbcf322f4ed987b9ec11...
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.