OpenTechnical

OT-2026-000062538

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000062538) never changes.

Identity and time

Publication numberOT-2026-000062538 · never reused
Internal UUID01a0ae8c-0ac1-7ca4-b13e-6de1ad730af8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062538
StatusPUBLIC

Content hashes

Canonical textd3825ee9c29f920b38c80c89f23ecb0b2708031eb1f4a466a856086e60ffd7b1
Markdown10ac529dcd3045081a3177f34ba6a943cfb6762b7c09021427f156420176bac9
PDF
Publication page1cb311fa462551daf6494a9f897fe03bd837cf8dc4c80f79c7b9296c4a5b2063
Manifeste77f106ebdcfa512f17bd7e76ec2cada07fac3cd2dbdfebe028cb2d169cd5c03

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
SignatureZ7TZ+FPpPXkUiW1WbwHE0INprsSQdCCmeXT50+mjoUiNXWCmWZvFBe+NZBpqqHtA9Zs34bqepVMirOTXQ0oUBg==
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

2026-09-17T10:40:00.098072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062538
observed 1cb311fa462551daf6494a9f897fe03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.076825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062538/manifest.json
observed e77f106ebdcfa512f17bd7e76ec2cada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.056538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062538/publication.md
observed 10ac529dcd3045081a3177f34ba6a943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.037856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062538/publication.txt
observed d3825ee9c29f920b38c80c89f23ecb0b...
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.