OpenTechnical

OT-2026-000071833

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000071833) never changes.

Identity and time

Publication numberOT-2026-000071833 · never reused
Internal UUID01a0ae92-1e92-7777-b6e5-5bd793abe3fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071833
StatusPUBLIC

Content hashes

Canonical textab4067275dc74ff60b15bf0126564a3f1890a6690bf32abc84c2b365b739e1ab
Markdowna552dc2180514ed617d940c3c0018bc43362321145a9cc6594033175b8ea08ae
PDF
Publication page021ac171eba8e6111d9b9707452419e50b9f7a9bebd0e6df36df38ebfda0a6cd
Manifest5e297d279240298ea7149e997790b671705882f31795b6eeeaa895fdd693cf98

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
SignatureQtDgpVZ6PIQiGmPGP6h13igm/9Rk1bdC/HoAWA9tPQW0WNisyOLVY0TX3/WOMyqUzS3dVd7VvAlu3qT7ul27Bw==
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

2026-09-17T10:24:00.572791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071833
observed 021ac171eba8e6111d9b9707452419e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.554125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071833/manifest.json
observed 5e297d279240298ea7149e997790b671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.532668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071833/publication.md
observed a552dc2180514ed617d940c3c0018bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.516077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071833/publication.txt
observed ab4067275dc74ff60b15bf0126564a3f...
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.