OpenTechnical

OT-2026-000071237

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000071237) never changes.

Identity and time

Publication numberOT-2026-000071237 · never reused
Internal UUID01a0ae91-e0ec-7741-9897-1c6359d5cbf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071237
StatusPUBLIC

Content hashes

Canonical text484922eaf90309a7253b084fad6e30e2f9fb3ab6a247ad80ee1a196b6d16aa71
Markdown045f2aa3e992e0ea32427589313b78d90d6f2c8445ce1d206707e30e3f9c2fee
PDF
Publication page40404b882233682a16091d389c433f680228e1477fff4a826ac794454bd0dc94
Manifestf497dff9dfd63f20f897a6b3ce8f5cae777f2f63d492764e09223560f5978872

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
SignatureNTVDj7YTVJwaouiZDbVeuQiPurmkyyl1q7rx1iZCocljBC0/TNVV4fdsJDfm5S2TIotVHGdqEkfmPB2PLW6eCw==
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

2026-09-17T10:24:47.056525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071237
observed 40404b882233682a16091d389c433f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.039632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071237/manifest.json
observed f497dff9dfd63f20f897a6b3ce8f5cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.021849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071237/publication.md
observed 045f2aa3e992e0ea32427589313b78d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.004003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071237/publication.txt
observed 484922eaf90309a7253b084fad6e30e2...
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.