OpenTechnical

OT-2026-000048362

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000048362) never changes.

Identity and time

Publication numberOT-2026-000048362 · never reused
Internal UUID01a0ae80-4de4-74c3-9737-8a481385def9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048362
StatusPUBLIC

Content hashes

Canonical text8467831d671dbbe8c97118fba4028877023700dc588e500a152f6d008ad4aa02
Markdown34b8c15d64bdbc04bc0ef160de35dc729053eb829ce7901c54493b9ca87b0072
PDF
Publication page96dd0c0b5d7b2f0bfec238ed8a19d009a2ef61f5f9df6f175349b9d10b84bc12
Manifeste9046185e8a04bd207c75197ed3e325e76e173a8e814bdbfce9cd138e8967119

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
Signatureb8TkLO9IqK/qC0zvjmRQiP3T5tA8JGNtmOxlsyy4Pmk+0HCEZJzEFvGyYyu8xBf+UQu4cB1wU2EM72xwRxlDDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:58.990215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048362
observed 96dd0c0b5d7b2f0bfec238ed8a19d009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.972837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048362/manifest.json
observed e9046185e8a04bd207c75197ed3e325e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.954740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048362/publication.md
observed 34b8c15d64bdbc04bc0ef160de35dc72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.937970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048362/publication.txt
observed 8467831d671dbbe8c97118fba4028877...
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.