OpenTechnical

OT-2026-000027210

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000027210) never changes.

Identity and time

Publication numberOT-2026-000027210 · never reused
Internal UUID01a0ae72-3454-7908-b1ce-db6bfc176ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027210
StatusPUBLIC

Content hashes

Canonical text9501498a03e540c36af7296e91c3e25bcdd1c5ceacfc231f797cfb2b2fb71c34
Markdowne603c31d50cb24368e37e433e7b44aae55dc693604bc2f1d53e88acd990daa8f
PDF
Publication page9dc47387c2b3e9c0f830b9d04fc9a9505a2efac34be7898487299129cb3844af
Manifest486697c1876e74e3087d327b3090fcfecd034e654f9610955f4985633851c465

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
SignaturemIPwuP5bfgDATDge2GWy/ElNg805SpgvlXNNvKMu9aFFtbnMyFlxAmYkEqDtRFq/JuXZniL8hhcQ4yLVLn1GDg==
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

2026-09-17T11:44:06.079140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027210
observed 9dc47387c2b3e9c0f830b9d04fc9a950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.061422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027210/manifest.json
observed 486697c1876e74e3087d327b3090fcfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.044783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027210/publication.md
observed e603c31d50cb24368e37e433e7b44aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.027976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027210/publication.txt
observed 9501498a03e540c36af7296e91c3e25b...
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.