OpenTechnical

OT-2026-000038190

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000038190) never changes.

Identity and time

Publication numberOT-2026-000038190 · never reused
Internal UUID01a0ae78-2d50-78ab-ad91-b273f1ab90ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038190
StatusPUBLIC

Content hashes

Canonical textf69947453490904aaa8403c0f13a0d413decee63139c65c6030b0e318c76e029
Markdown10d1c3458ab53f8b7c1015dd9d96cbd6ea4ca460477fb1d16efc415d4eda11e2
PDF
Publication page3d19cc94d69cc5720d69bafd87466372201ab656136eaa851d3cde93f326b823
Manifest7a0172c134f1d84f8c12e74c98302ea29c3b1a63a2bf99d5c837d62c2ecdee21

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
SignaturegSjWUBYoKRbkH14olqTmh+Og9o0ApEeDSpJGgqiYyg5P9SUXwllfncvi4Ks3FxnEyhlTdEFGEvmzE1izYhTeCA==
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

2026-09-17T11:22:19.052737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038190
observed 3d19cc94d69cc5720d69bafd87466372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.034438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038190/manifest.json
observed 7a0172c134f1d84f8c12e74c98302ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.017870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038190/publication.md
observed 10d1c3458ab53f8b7c1015dd9d96cbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.999464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038190/publication.txt
observed f69947453490904aaa8403c0f13a0d41...
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.