OpenTechnical

OT-2026-000034310

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000034310) never changes.

Identity and time

Publication numberOT-2026-000034310 · never reused
Internal UUID01a0ae75-df0e-76ab-b8a3-ae176f90a586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034310
StatusPUBLIC

Content hashes

Canonical text7e0c4f197c1918684a5b6907bc65faca145a92893a7845fc3ed48e36411fee6c
Markdown044fa16c5942996a2954c76f2b4891dd28b4b03c18fc211fe68528edc344ef86
PDF
Publication pageaac6f2b2c31e09a77b8cd2ed7920ebc859603d3f216baa582d7eb211efdebece
Manifestca77947b97eab126af2bae86cda6ead3b189e59e6ec135902ecd6eb356709fa1

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
SignaturexFBTSd/1M4fSPuE4uUCj+p4xec/Ee75kuB15WLRjZZ9blz3qKsOzj48uJmvGmA4SKGzZqdTXjvZbEpYWTYN7Ag==
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

2026-09-17T11:31:00.131273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034310
observed aac6f2b2c31e09a77b8cd2ed7920ebc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.115111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034310/manifest.json
observed ca77947b97eab126af2bae86cda6ead3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.098340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034310/publication.md
observed 044fa16c5942996a2954c76f2b4891dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.082154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034310/publication.txt
observed 7e0c4f197c1918684a5b6907bc65faca...
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.