OpenTechnical

OT-2026-000042330

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, sustained 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-2026-000042330) never changes.

Identity and time

Publication numberOT-2026-000042330 · never reused
Internal UUID01a0ae7a-5d74-73c5-bbdc-5f381486775a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042330
StatusPUBLIC

Content hashes

Canonical textb28fe4ff82a48e8b221c30fcea57c112afb46bcb022b0911fdd985ff9eea37dc
Markdown0e6326e981b891d640107856677a0a628de8093700b98e2f7ec523388d0195a5
PDF
Publication page5822df7171d1d09b8516b0310b5e434f3daabbebed40897f21586361b7ae90e5
Manifestaa12a59d73dcc8a92bc67b265a9d150a28fd6654f1d3735c888b7c62fb4f0aa3

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
SignatureynsdF/NcwiAxV980lK58ww1bkBaXicgqx+fIH91Pb+BJwAImNcndkk2IaHvFGp6LReD/X9Bjgv0yrciIqdy3BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:02.156792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042330
observed 5822df7171d1d09b8516b0310b5e434f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.138793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042330/manifest.json
observed aa12a59d73dcc8a92bc67b265a9d150a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.120438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042330/publication.md
observed 0e6326e981b891d640107856677a0a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.102182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042330/publication.txt
observed b28fe4ff82a48e8b221c30fcea57c112...
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.