OpenTechnical

OT-2026-000091226

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091226) never changes.

Identity and time

Publication numberOT-2026-000091226 · never reused
Internal UUID01a0ae9c-f16c-798b-acb6-86baed84adc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091226
StatusPUBLIC

Content hashes

Canonical text3ceae53e3a3c6302dedc3e485f7a52f660ba8928c52c2a2bbd5bb2a5c3c5143b
Markdownd010fcd9cb6d9def72927d877810e0353e9c37b6339fbc9303f5e2f446ba0cae
PDF
Publication page77c831d70a1a9a740c0429bb02b7648ccaf43223aef5c76353665d116cd89c8b
Manifest8df600bbefb7b004b27508e5b5ca73160b3bc974ee6435ea935e362753f87c87

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
SignaturewQANAeDNQXF5KwbDytLLp3KC73nl0lT1hlBAZv2VH4XVqk+ibptIUds6/Pr4sJgOpep1dyug824rrdf7rodsAw==
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

2026-09-17T09:43:23.944618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091226
observed 77c831d70a1a9a740c0429bb02b7648c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.926839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091226/manifest.json
observed 8df600bbefb7b004b27508e5b5ca7316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.909772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091226/publication.md
observed d010fcd9cb6d9def72927d877810e035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.890969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091226/publication.txt
observed 3ceae53e3a3c6302dedc3e485f7a52f6...
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.