OpenTechnical

OT-2026-000014026

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000014026) never changes.

Identity and time

Publication numberOT-2026-000014026 · never reused
Internal UUID01a0ae6d-8deb-7c75-b0ab-1eadf6d0b22a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014026
StatusPUBLIC

Content hashes

Canonical textf6dee27d42f9a198c05189c7ae680710d04eb331c978b80e2326d1b9731307b8
Markdownd1ba6dd6d094dc7a23ff802340fc0ba2f2d23922683aa9ed6a629916674d2ff2
PDF
Publication page850a7ed1feba8cfc56249f1d5b168569afb13e9398e7860705fbf2846a9f998c
Manifestea47d65eb154c683daec43cb15c353298f5b7738408e597f25353cdc1be43d4d

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
Signature+uv3B97jXuRN/+A/5WGTdmfGl9MiO2MUxtQ2zJPlchzwrFL6Pzybb7QfyywZeHUTLfrKSJc1U65pHM4Edf08AQ==
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

2026-09-17T12:09:15.303816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014026
observed 850a7ed1feba8cfc56249f1d5b168569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.283636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014026/manifest.json
observed ea47d65eb154c683daec43cb15c35329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.264965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014026/publication.md
observed d1ba6dd6d094dc7a23ff802340fc0ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.247327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014026/publication.txt
observed f6dee27d42f9a198c05189c7ae680710...
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.