OpenTechnical

OT-2026-000083558

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000083558) never changes.

Identity and time

Publication numberOT-2026-000083558 · never reused
Internal UUID01a0ae98-0415-7eed-aef5-6e1c816a59b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083558
StatusPUBLIC

Content hashes

Canonical textcd4a611fb906b799d03dd0076f29bdb067a609f0089ec0b28a43bd21a83d00b7
Markdown4fbdb84501db69b63ed0dc0352c7f55bf9a1b8e706b67f61e9fdec91df9e87c0
PDF
Publication page454c1cee5f3b65b44a7457adbca85dd3530fd3b1f86315215184f65c753d0d78
Manifest085ace72cf6c83b8da2a1aa473fecb577175d6bcbde648c8bf7149ccd17360fa

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
SignaturejSK+XojsNJKEjJUTCY19BAZQLmA2dw9j10PVMHYhXOXu0Cmdw7kI2M4tUPO68deDiQtRFJMJiXb/1ulGUvrMBg==
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

2026-09-17T09:57:02.646655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083558
observed 454c1cee5f3b65b44a7457adbca85dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.628542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083558/manifest.json
observed 085ace72cf6c83b8da2a1aa473fecb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.612059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083558/publication.md
observed 4fbdb84501db69b63ed0dc0352c7f55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.594986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083558/publication.txt
observed cd4a611fb906b799d03dd0076f29bdb0...
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.