OpenTechnical

OT-2026-000064621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000064621) never changes.

Identity and time

Publication numberOT-2026-000064621 · never reused
Internal UUID01a0ae8d-deb8-7fdf-aae4-f26ff5878b76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064621
StatusPUBLIC

Content hashes

Canonical text139d40119e771455987347730f4902308498f174a33351b9ae75d7e1a9df5378
Markdown45bc9c1593642d21da3e17183e938ce1f02a76dfdd20e69474a39344f9decc11
PDF
Publication pagec2bc37801832c398e992c2d3da1f0a9452456051861bea49b5925ef381ec64be
Manifest213af03651208b55b301872198e4765f541b6ad9861d5bf42bd2bb9350c1d66f

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
SignatureA2v/V1RQTMJ/BbY8zgFx4SDcpwij8Bx/Lcv/aBfrRUOh5yrONWQiSxVTN5e9gtE3hX/xjyxVIUyD2FTNYy1QCg==
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

2026-09-17T10:35:24.037673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064621
observed c2bc37801832c398e992c2d3da1f0a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.020819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064621/manifest.json
observed 213af03651208b55b301872198e4765f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.003295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064621/publication.md
observed 45bc9c1593642d21da3e17183e938ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.986482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064621/publication.txt
observed 139d40119e771455987347730f490230...
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.