OpenTechnical

OT-2026-000029418

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000029418) never changes.

Identity and time

Publication numberOT-2026-000029418 · never reused
Internal UUID01a0ae73-5e20-7cb7-9270-356e7495a333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029418
StatusPUBLIC

Content hashes

Canonical text38b327570d5b23656de9c03891242119eb1815ce2822bc298764b1615a7acc2a
Markdownd747bfc2b836272f5c2bd23799220341e335e31c6ea16908a9fa23d34339271e
PDF
Publication page700077e36cd2291983be4d318e4b66811c03a3abbaa7138000d38d29e7b3a995
Manifeste22383e67c4d3669728a8f5c15386afb3df54184393e619b1b89dc6f18ba0019

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
SignaturexLX0kZWN0UalvmWNxLDycBepoJvdqnz1uAqB3JswLnq60FcSzWMMMva80LLa+wrycwPIDNhTiwj7buTD/7ZnAA==
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

2026-09-17T11:39:01.547652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029418
observed 700077e36cd2291983be4d318e4b6681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.531554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029418/manifest.json
observed e22383e67c4d3669728a8f5c15386afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.513986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029418/publication.md
observed d747bfc2b836272f5c2bd23799220341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.494957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029418/publication.txt
observed 38b327570d5b23656de9c03891242119...
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.