OpenTechnical

OT-2026-000087811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000087811) never changes.

Identity and time

Publication numberOT-2026-000087811 · never reused
Internal UUID01a0ae9b-1aa4-7c8a-9936-dfc392a8b368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087811
StatusPUBLIC

Content hashes

Canonical text58e016a3dffc0a70a457cb76ef138282f592e98efb123ec4d1596a722be6e335
Markdownf6fb34841efb5a34ffc0be0d83f0b138563c38910a072880b324781ed5786117
PDF
Publication pagef68b0d49fab34e3b58124acddf42e6bbe246708d7023ae67c20df8bbf8c369c4
Manifest0f543fa6dd8dfaedbc08a3dbc7f95d5c0d96fad8cd5b2205746e0aefba1bf9e3

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
SignaturesrwxvN+U4RwKP+D3fpovQOx8UxLGnE7rGJGReru0FmoPHRGfwwwJEAk0lPDwUHOVo6x7ycBXl9TpD1lhP0fWBA==
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

2026-09-17T09:49:02.494523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087811
observed f68b0d49fab34e3b58124acddf42e6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.475466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087811/manifest.json
observed 0f543fa6dd8dfaedbc08a3dbc7f95d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.455475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087811/publication.md
observed f6fb34841efb5a34ffc0be0d83f0b138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.381013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087811/publication.txt
observed 58e016a3dffc0a70a457cb76ef138282...
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.