OpenTechnical

OT-2026-000018494

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000018494) never changes.

Identity and time

Publication numberOT-2026-000018494 · never reused
Internal UUID01a0ae6e-b48a-7a69-8c72-bba70b42745b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018494
StatusPUBLIC

Content hashes

Canonical text8b8b3bfda8b05052861fcb999edf9019610e71349a58e2ce09edebb46fe9a82e
Markdown699a6d1f0fbfb9327d9cb2590ecfb479d05c2fec6d8620e0611682f43bb2d722
PDF
Publication page13f0c9329d2de78893fe10dbc50c10171b64df754f47e1b1c761f2b52734240a
Manifest4259bdfd62975d469d33dbc3e08910a9f5e479b8a5d369ab256d0f46ff8a9c4c

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
SignatureST/IPL33MlJb61CjCxztTrmqf6I9jxx7Bg79sngumE/4NMqKv31VqGmzm7bkk6fyyJs+S8GFjEYJQ7ORxfZVAQ==
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

2026-09-17T12:01:15.921188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018494
observed 13f0c9329d2de78893fe10dbc50c1017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.903953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018494/manifest.json
observed 4259bdfd62975d469d33dbc3e08910a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.886008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018494/publication.md
observed 699a6d1f0fbfb9327d9cb2590ecfb479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.867765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018494/publication.txt
observed 8b8b3bfda8b05052861fcb999edf9019...
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.