OpenTechnical

OT-2026-000074377

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074377) never changes.

Identity and time

Publication numberOT-2026-000074377 · never reused
Internal UUID01a0ae93-7179-7904-a853-8dd64d3b73a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074377
StatusPUBLIC

Content hashes

Canonical text2399806fe0eb5edf9649561c3ecd106708f596c7b92235036e6c32496067a414
Markdown3798870ec6170723d0a2d92ac442e042ad7d9f6a8987aa79c532952f84aca19e
PDF
Publication page7f8fae356c6aea1268f4d586ec1bf66018bb8f577adc2a3b2f9e9917ac2bb64e
Manifestd0fe175171fff4efe216cbbc17653645c2121819af5be9f24bab15f9313ae226

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
Signature7gXWoDoasQjbXraVyJHO4d4IHgNG0uXCkaKFR7ujexssWsiV5nb8ZQd+Cz1ewpwt47/Fe5kq8jymp4B4V4oFDw==
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

2026-09-17T10:19:18.639858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074377
observed 7f8fae356c6aea1268f4d586ec1bf660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.620781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074377/manifest.json
observed d0fe175171fff4efe216cbbc17653645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.603032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074377/publication.md
observed 3798870ec6170723d0a2d92ac442e042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.585370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074377/publication.txt
observed 2399806fe0eb5edf9649561c3ecd1067...
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.