OpenTechnical

OT-2026-000057471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000057471) never changes.

Identity and time

Publication numberOT-2026-000057471 · never reused
Internal UUID01a0ae88-2692-76a9-9fa8-9bf4e1a7a464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057471
StatusPUBLIC

Content hashes

Canonical text2ecf7b0ede1f75e3bad6800456feeb025cdc0438624b7757977919373fd0c0a0
Markdown779f983160cb04d92e28b986a456d2e919fe055ca3bf88c49652557f693ec8bd
PDF
Publication page90d1825e26b031c84f3762f94b7a8876c5471571aa3a7688124cd927da5f9311
Manifest92202af8311a4870d1ea3401279405edb51ac994f3a141c50c4ff73ecffd798f

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
SignaturebxVpQ1UvqXUIOmZizLUkEGD85Ibc71FaWwmgY5oaPPx6mdePJjuM+2SmOOLTe0smuW63CPM9F3lml1zKJZTUBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:59.351792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057471
observed 90d1825e26b031c84f3762f94b7a8876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.331781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057471/manifest.json
observed 92202af8311a4870d1ea3401279405ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.313294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057471/publication.md
observed 779f983160cb04d92e28b986a456d2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.288768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057471/publication.txt
observed 2ecf7b0ede1f75e3bad6800456feeb02...
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.