OpenTechnical

OT-2026-000047848

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047848) never changes.

Identity and time

Publication numberOT-2026-000047848 · never reused
Internal UUID01a0ae7f-c421-7ed6-a1eb-e2b3d7880c4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047848
StatusPUBLIC

Content hashes

Canonical textcadec09ae2f340dc95164af6d121a4da72874f980c10685b51a213e8396cd2e0
Markdown13bbd7e6648a03a386b676be4507a16915e649f3286a093c4e3a8f41112dcf96
PDF
Publication page1a06df7ed20085fa5ae4a96be5d7753d981e0df29e0ec39278bab4b4b2e2777f
Manifest10f428002df82715df20e1bfdc03f2e0f92fdd6175af28b702fb1a8feb8c213d

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
SignaturekUcBfypRx7RWPTQ/IYGaPRKTcKnD8G25C1pARY1IwAMKTz7FL2eB3O/3+eK/1nwh8sVi8htdjOnXsiL9+1P4Dg==
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

2026-09-17T11:05:46.046727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047848
observed 1a06df7ed20085fa5ae4a96be5d7753d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.027407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047848/manifest.json
observed 10f428002df82715df20e1bfdc03f2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.009024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047848/publication.md
observed 13bbd7e6648a03a386b676be4507a169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.990680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047848/publication.txt
observed cadec09ae2f340dc95164af6d121a4da...
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.