OpenTechnical

OT-2026-000073961

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000073961) never changes.

Identity and time

Publication numberOT-2026-000073961 · never reused
Internal UUID01a0ae93-2b8e-7118-9445-6ee8e6b26461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073961
StatusPUBLIC

Content hashes

Canonical textec64144321dd1dd52e90289a03992ec72b977234c3e96a8d2ee0225199994882
Markdown58af218adbd53ef61ebd63908c67e4d317669d1208ac11cbd9f68068a1a3dcf4
PDF
Publication pagedb52edc570464a055614a2404a1330fdc615bb9790faa79ef2b17ceff53dfbf0
Manifest55e469ad898dd935cc58beedc1c4830d763ed179575eb3cfcda22be728aa19e0

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
SignatureehPgsMqEUwSjskHqMzXg8ZPuW+cV2sHtFbKeK77BGQMyNYgplrmWK+OW5peB7wFopfISqE1/LctxDFmfI7A/BQ==
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

2026-09-17T10:20:15.204259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073961
observed db52edc570464a055614a2404a1330fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.184686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073961/manifest.json
observed 55e469ad898dd935cc58beedc1c4830d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.148993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073961/publication.md
observed 58af218adbd53ef61ebd63908c67e4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.111218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073961/publication.txt
observed ec64144321dd1dd52e90289a03992ec7...
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.