OpenTechnical

OT-2026-000067614

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000067614) never changes.

Identity and time

Publication numberOT-2026-000067614 · never reused
Internal UUID01a0ae8f-6bda-79ea-b2b1-cb8271abb5bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067614
StatusPUBLIC

Content hashes

Canonical textf28b1a89b485b64db41f8b81ba343bf7d8dcf8b7e4981363988c6b38d4a8989c
Markdowne663315458ac71e6ddb252ee4162a6a7ee3b0c00891c5d91950c2900cbba4ed3
PDF
Publication page9371ffbf1dd422268e82957e798c5aaada741736dad7f786dbffc3f8dfaf8e13
Manifeste970354c1df84396afc843d0ff60f3b7587be5310226b2ea5021283d33c7b279

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
SignatureyfVxyD1u48S6h3q/Y0a6W/RLPsarZqpnj/PkUg0gudtSHGnVXzTOZLKKZJrDrxVLBC1aA7/LBDYtEHBIq3KuBg==
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

2026-09-17T10:31:56.067382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067614
observed 9371ffbf1dd422268e82957e798c5aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.050274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067614/manifest.json
observed e970354c1df84396afc843d0ff60f3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.032659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067614/publication.md
observed e663315458ac71e6ddb252ee4162a6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.014809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067614/publication.txt
observed f28b1a89b485b64db41f8b81ba343bf7...
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.