OpenTechnical

OT-2026-000085905

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000085905) never changes.

Identity and time

Publication numberOT-2026-000085905 · never reused
Internal UUID01a0ae99-e82a-72b7-a750-e79daa9cf4e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085905
StatusPUBLIC

Content hashes

Canonical text50cd0998c9aa44e7e8c9007464f19668accf4010c3fdf05d58f0247677ca3c07
Markdown5fb2f037d73711c1d42767a74a61c5108bc2d0018e7d2dbaa3c96497e6fc6ca4
PDF
Publication page7f8a307bf2f8cbe687bbc81ff26aafe49f2a3d79903b56ca322d64a7f5c57e5e
Manifestdec1d5b9a6d01db0c1e35032e06719ba9f4777bb4efdeda9bfa59154fc1a34c0

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
SignatureUp7Kbz/E6KHCzIJriDZeoGCmTiQRTjtdgZ57wihrdqmtrMwjCQJwWfhisAwVP53lH2kF3I+xsYS7IKiT774JCg==
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

2026-09-17T09:52:50.991049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085905
observed 7f8a307bf2f8cbe687bbc81ff26aafe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.972674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085905/manifest.json
observed dec1d5b9a6d01db0c1e35032e06719ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.954817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085905/publication.md
observed 5fb2f037d73711c1d42767a74a61c510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.936141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085905/publication.txt
observed 50cd0998c9aa44e7e8c9007464f19668...
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.