OpenTechnical

OT-2026-000087189

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, sustained 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-2026-000087189) never changes.

Identity and time

Publication numberOT-2026-000087189 · never reused
Internal UUID01a0ae9a-9f2e-7975-a7d1-177cfa15a652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087189
StatusPUBLIC

Content hashes

Canonical text1aafbb179dc501e1d7096fb7696c5e7b362cca7e7f6055aeafa12d3d6b35ee78
Markdown0fb9089c6ff27b179cf64622c906ada0ac9e552651ad670f3f4eab2598c6cb97
PDF
Publication pageaf240e8192ae5e513476dd32aaf5ca814ad03436713baf808d863bfe3d75a1a6
Manifest19da950e8588f765520599b961e868c49a55ec030c608bc1422bfb1ec326317a

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
Signature37dBF3tuw6TXYOsA4chNmlq8ttd69BENPHBnfpUJjF5vi5eh9X4ZWZeIpoQBRhGcn2zmJUi0m7Al+artfzutAg==
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

2026-09-17T09:51:27.839024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087189
observed af240e8192ae5e513476dd32aaf5ca81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.821996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087189/manifest.json
observed 19da950e8588f765520599b961e868c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.803758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087189/publication.md
observed 0fb9089c6ff27b179cf64622c906ada0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.784178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087189/publication.txt
observed 1aafbb179dc501e1d7096fb7696c5e7b...
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.