OpenTechnical

OT-2026-000080694

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080694) never changes.

Identity and time

Publication numberOT-2026-000080694 · never reused
Internal UUID01a0ae96-b973-707f-84de-d9d488671aee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080694
StatusPUBLIC

Content hashes

Canonical text4ed8fc7ca42b2987e7cb3a2053b316b819a376eece1ae10f4f3c583f62c7785c
Markdown87e127961d189a5d011e73ef22a5b58e35ce05ab6240643486b30fc2f95240cf
PDF
Publication pagee2aaab519a131b4e3d0b4f33b432893e80f479205e5961659cf826b86510dc1e
Manifest750a03dbda6200707ad55654966bde47f3fb15ea4fc76d107b96f13c9ef4de5b

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
SignatureSIqwVRYicL6R8AAP3KuYkrADakeK4BwRCwTv3VyP7URDqd25ZSO6OosIxFHHUBsH7iVPWqGvZbgjesyLX0JxDg==
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

2026-09-17T10:01:43.635304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080694
observed e2aaab519a131b4e3d0b4f33b432893e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.618022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080694/manifest.json
observed 750a03dbda6200707ad55654966bde47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.598819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080694/publication.md
observed 87e127961d189a5d011e73ef22a5b58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.581475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080694/publication.txt
observed 4ed8fc7ca42b2987e7cb3a2053b316b8...
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.