OpenTechnical

OT-2026-000091760

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000091760) never changes.

Identity and time

Publication numberOT-2026-000091760 · never reused
Internal UUID01a0ae9d-43b9-7fed-9fd0-841cbddb0671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091760
StatusPUBLIC

Content hashes

Canonical textf3ca9146b39ceb2ffe8dc86841810d7a79de2019bd7ef82ae5d7d0be856ec3aa
Markdowne267cadd1285441533bab12b9f0fcdaecab64d782b431330b87c280da2060b5c
PDF
Publication page1a5bd17debd0a79cb2143450465f8fa16f7914495a440bf9fd1ef9e7f4bfb3eb
Manifestb2aacab635b9e56ac42fc71590246e387957a20c194fd2464965e968b901be4c

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
SignatureD656UVkqErxdfSpte7ZnkJhhwEjpm3qOyJi65+NMgydSmVNW3XwyC+ef+WGCvsmJDhAMTQxroRhkkUrpzEbACg==
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

2026-09-17T09:42:39.213213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091760
observed 1a5bd17debd0a79cb2143450465f8fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.195846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091760/manifest.json
observed b2aacab635b9e56ac42fc71590246e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.179574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091760/publication.md
observed e267cadd1285441533bab12b9f0fcdae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.163172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091760/publication.txt
observed f3ca9146b39ceb2ffe8dc86841810d7a...
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.