OpenTechnical

OT-2026-000077811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077811) never changes.

Identity and time

Publication numberOT-2026-000077811 · never reused
Internal UUID01a0ae95-2ed0-7264-abd1-fb39183661ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077811
StatusPUBLIC

Content hashes

Canonical text28da97fcb9b6ff75c5731b702a76c17cdf98a872b25ee6a331c118ef451fc847
Markdown869c7d4e23feade48352aa1c3dbd73c0b895021f9bdca064fbbb586a3c3ef11d
PDF
Publication pagedc517c46de4415e4b8f2bdb1cb2a0c03e8b9ddf362d84755260faf7c895347b1
Manifest2719588c3243beab3c9653ce9e6d10f57e888b84013b4e56810867c08518c36d

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
SignaturevwG+Fc1Nf4ZAfgvxTDJASwaUDD2bddKX6mI3kA0QTqCv7evZgYHKw72wFEbhuKPGEl0GROOtR3SGPw2Cg2amAg==
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

2026-09-17T10:07:24.224405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077811
observed dc517c46de4415e4b8f2bdb1cb2a0c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.204695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077811/manifest.json
observed 2719588c3243beab3c9653ce9e6d10f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.186487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077811/publication.md
observed 869c7d4e23feade48352aa1c3dbd73c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.167591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077811/publication.txt
observed 28da97fcb9b6ff75c5731b702a76c17c...
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.