OpenTechnical

OT-2026-000023398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000023398) never changes.

Identity and time

Publication numberOT-2026-000023398 · never reused
Internal UUID01a0ae70-7268-77bf-8301-cc640e76bdf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023398
StatusPUBLIC

Content hashes

Canonical texte3c078eca712b092ab73f233ca8904c0d973f230c8ecaead6249c193b336a679
Markdown6e8b4263ca9b06441c356f1abcb49a1cc34c5387f1a8f13bc6626d39fefa157e
PDF
Publication page61f9e194e6df7172670187d590fc24d51cfbc20df01d799bae4095eec6f0f431
Manifestfc6eb8f51603a5e35bac1a9f2a4c18a7582420c22efb4cb132fa601741fd054e

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
SignatureXy4YOj7T5jOt+0s+Ycbh04LJPk6X28ma5hXxfPUIUbnt4qAMW2WMs0n80+lRjEyOw1gqeU5nqC7KKHdHx3bOBA==
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

2026-09-17T11:51:36.138533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023398
observed 61f9e194e6df7172670187d590fc24d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.120613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023398/manifest.json
observed fc6eb8f51603a5e35bac1a9f2a4c18a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.105466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023398/publication.md
observed 6e8b4263ca9b06441c356f1abcb49a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.086228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023398/publication.txt
observed e3c078eca712b092ab73f233ca8904c0...
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.