OpenTechnical

OT-2026-000034114

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034114) never changes.

Identity and time

Publication numberOT-2026-000034114 · never reused
Internal UUID01a0ae75-df0c-7c80-9d04-c1cb99fae259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034114
StatusPUBLIC

Content hashes

Canonical text0efb3572be1a3a13b8e655eb63cb6905eab47bfc78834d16a7bb67776531749c
Markdown142e9cb745f3709ec15597720c6c8291e4fb829eee7210c7f0ee241cc79f08be
PDF
Publication pagedbb67b32fb4afd5124846bf475dd9695f746d8fe9dd02278f23c04acfec8ef3c
Manifest96dd74903b35dadd0c0adc274a1c376676e0844303231181f407dc067901b1ff

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
SignatureONEGs7X5OTEjLrNQypH369w0tqkPU9BZZQmfrU5ACMOTdRI7jPfm8KBxiWatk7DEt3nVz23IWV//YAsrQ788Aw==
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

2026-09-17T11:30:30.071268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034114
observed dbb67b32fb4afd5124846bf475dd9695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.051530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034114/manifest.json
observed 96dd74903b35dadd0c0adc274a1c3766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.032290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034114/publication.md
observed 142e9cb745f3709ec15597720c6c8291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.013160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034114/publication.txt
observed 0efb3572be1a3a13b8e655eb63cb6905...
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.