OpenTechnical

OT-2026-000031117

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000031117) never changes.

Identity and time

Publication numberOT-2026-000031117 · never reused
Internal UUID01a0ae74-87aa-754c-b582-0d2ca67776bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031117
StatusPUBLIC

Content hashes

Canonical text5dbad7262eda3e09a9bf8cd770f7aec93db46e34633264a43bf5922b742cd736
Markdown2c786dc849c4b78a6052d82813860ab9bc3d008322bd211732570a3ea78ae0df
PDF
Publication pagedeee905df3d8753ad9d605f2aaf91c98d1fb8cb6999caca31b084b9c8a1b87e2
Manifest85e2417adec2092841252b218da1c750e36864089cd95cd9b68b82163bd93fbf

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
Signaturez1BAa+p9U82mbYPr34qoYU9SCzTdZxsahLeNmJY+WVbVWBmentxHQg/7zZGiNi/wzVEhmVVw5w1oZWeaNYf/CA==
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

2026-09-17T11:35:33.065113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031117
observed deee905df3d8753ad9d605f2aaf91c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.046641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031117/manifest.json
observed 85e2417adec2092841252b218da1c750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.027566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031117/publication.md
observed 2c786dc849c4b78a6052d82813860ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.006001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031117/publication.txt
observed 5dbad7262eda3e09a9bf8cd770f7aec9...
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.