OpenTechnical

OT-2026-000092738

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092738) never changes.

Identity and time

Publication numberOT-2026-000092738 · never reused
Internal UUID01a0ae9d-b600-7083-bc77-598dd8fa0e99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092738
StatusPUBLIC

Content hashes

Canonical texteb3aa76452fb3ad4df4e498e939c278a08cab89d79314176431fcc1c0e45f411
Markdown6ff25e273c26723ce65eef7769847707545a16d0124cddf87e9a78b9b678dd07
PDF
Publication page9a54ad890fe77d032ca476afeb436f515dadf83fc73129cf4089787dbe3d194f
Manifest2cf4d469a5590fd7908ca15bf0cde4e75f58460f7d6c9c2a84a61617c47ac5fb

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
SignatureRN8wNLuCCrzqqmLfZlItdSKCp7AaZHF4gnFQQ56E/J7T2XiJjSQJ5UYEopbKF96BDVD7i+i66jjK+jfXyelyCA==
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

2026-09-17T09:41:21.856234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092738
observed 9a54ad890fe77d032ca476afeb436f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.824262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092738/manifest.json
observed 2cf4d469a5590fd7908ca15bf0cde4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.807291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092738/publication.md
observed 6ff25e273c26723ce65eef7769847707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.776987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092738/publication.txt
observed eb3aa76452fb3ad4df4e498e939c278a...
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.