OpenTechnical

OT-2026-000074699

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000074699) never changes.

Identity and time

Publication numberOT-2026-000074699 · never reused
Internal UUID01a0ae93-ac2b-7fd3-9962-04458d9fddd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074699
StatusPUBLIC

Content hashes

Canonical text2a0798f50c4cf1cd301794a5ffe972d522c16ccdbb75581b6ab9fbb3696caaec
Markdown3c4da6d0fcd5fb87f8da3daf9cd6186435fb344e061b6d3e633e42f9f63f4271
PDF
Publication page958716d16739da814db75cb3d60da4e2a71dae9c2afe5209a68e9a522401b4bb
Manifest8795bc348c521a264e9ac90c3444a5b48c3de286e732edf0f37dcd07a1ddcde0

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
SignatureDxD81AzOINODrryWSuouGb54Kb4Rt7njSqrS3LJwGtuLpe+2kdqyrnBArVtw+GUndhVpsiO3LgWSFQmrcedxBg==
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

2026-09-17T10:18:17.368765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074699
observed 958716d16739da814db75cb3d60da4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.350848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074699/manifest.json
observed 8795bc348c521a264e9ac90c3444a5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.333527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074699/publication.md
observed 3c4da6d0fcd5fb87f8da3daf9cd61864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.314595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074699/publication.txt
observed 2a0798f50c4cf1cd301794a5ffe972d5...
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.