OpenTechnical

OT-2026-000073493

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000073493) never changes.

Identity and time

Publication numberOT-2026-000073493 · never reused
Internal UUID01a0ae92-efb9-7257-90cb-418ee0969eb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073493
StatusPUBLIC

Content hashes

Canonical text5495d9ecaa98458ef387a1de029d15e120c83f8d48b67865e2cb18e00aa846b9
Markdown394ceb224bbfe47ad92ac099b0938633a70afb1867f583d43fbfbd0aef2b7b7b
PDF
Publication pagedb592b901d0977afc1522c131be3ca01649100d494468a8adf8fd192df372186
Manifest83c403e84a8b05260f8adfc013e089dca0bec3cfb669ceb54ae541b9e018c8cf

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
SignaturevdXPgUr7UJor3CPhnVV/WzcXz8BliQIlJpT6ExEwleOn6MQHfHM2uEwP0k4pW0yAeXUZATzPb0vjv1jBMugbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:39.793498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073493
observed db592b901d0977afc1522c131be3ca01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.774157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073493/manifest.json
observed 83c403e84a8b05260f8adfc013e089dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.756466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073493/publication.md
observed 394ceb224bbfe47ad92ac099b0938633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.739332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073493/publication.txt
observed 5495d9ecaa98458ef387a1de029d15e1...
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.