OpenTechnical

OT-2026-000058030

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000058030) never changes.

Identity and time

Publication numberOT-2026-000058030 · never reused
Internal UUID01a0ae88-6eda-7cc5-9f8f-0aa88e37fdcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058030
StatusPUBLIC

Content hashes

Canonical textf50d3f6f524e32f36d78bee5a3ab3e79e5fb9ac8bcde3ff7a350efa71a7c33f8
Markdown7086640e314d98e79298fd2acc965420908d002b5949483ea21e086b6c5cead3
PDF
Publication page465df8925c683439afa6c7175d404d0532d7628ab6c9ca6307baf0fcb3e2672c
Manifestaaf541dab9675fd8ad9de13fda4d138596c1d97306541efd2d7d0ab29a83da71

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
SignaturecU3GRkv5gJRUQwWwYOl/wdIX1RkonT1I7EaeiWtG6XHElip4i+5+tx2hjW0j+V5Oor5Jp2k5eql++IpkqEkwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:40.455395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058030
observed 465df8925c683439afa6c7175d404d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.437035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058030/manifest.json
observed aaf541dab9675fd8ad9de13fda4d1385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.420391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058030/publication.md
observed 7086640e314d98e79298fd2acc965420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.399512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058030/publication.txt
observed f50d3f6f524e32f36d78bee5a3ab3e79...
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.