OpenTechnical

OT-2026-000017291

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017291) never changes.

Identity and time

Publication numberOT-2026-000017291 · never reused
Internal UUID01a0ae6e-76c8-79e1-ac2c-922a540a0b44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017291
StatusPUBLIC

Content hashes

Canonical text73a4ae16f6f18231c6fac634cced0cb9bcd9f6be4d196a57cd3e5a143a8d48a6
Markdownd87499c3753ea239914f65a44334574d9555749d58580601af42a5a15fc6ec11
PDF
Publication page2dda47fbd805b9200a66df713c6e4d7a3eb0ac719ff1fa18a21c0ca2b2188eac
Manifesta3150a1740560731fa1a5fe03ba9556b1dce2d9394772d45e91781d8d48aa27a

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
SignatureDYl7jh7vTa8dpptCo2Lp0EXWFB7HuDsunSdH24PicrCOHOLrtn4LZdLMxEfBTSlVdtL49GOY34FB9hTo660CBQ==
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

2026-09-17T12:02:23.377646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017291
observed 2dda47fbd805b9200a66df713c6e4d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.361724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017291/manifest.json
observed a3150a1740560731fa1a5fe03ba9556b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.345206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017291/publication.md
observed d87499c3753ea239914f65a44334574d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.326819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017291/publication.txt
observed 73a4ae16f6f18231c6fac634cced0cb9...
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.