OpenTechnical

OT-2026-000076284

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076284) never changes.

Identity and time

Publication numberOT-2026-000076284 · never reused
Internal UUID01a0ae94-6a70-7dc1-ba4d-9321b79ada8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076284
StatusPUBLIC

Content hashes

Canonical text612d870253fa62e3f960345f7cef29694f3b3e1c5d2c92157998d5c9fc8f3713
Markdown612f2407f4440fb025ab77a75796ca33b960c22f92cd96c259c9e3500ba422e8
PDF
Publication page9dc4d4976246c4720aa863ad9e8f1b796907b0c542d2f8936c90091b9fbc2cf4
Manifest302948ed3964f1b2437af18346ac513ade6e1d9f254e88820abbe58829b9ba6b

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
Signature7uGWG540LMlIlknoMBaItOczq1ZqP3J/SCcuHJGdOFs9karm3D+QvlwrIYjajYPYVWWFVhs+DcPdo8dJy84bDA==
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

2026-09-17T10:12:04.452030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076284
observed 9dc4d4976246c4720aa863ad9e8f1b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:04.348567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076284/manifest.json
observed 302948ed3964f1b2437af18346ac513a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:04.327216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076284/publication.md
observed 612f2407f4440fb025ab77a75796ca33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:04.305265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076284/publication.txt
observed 612d870253fa62e3f960345f7cef2969...
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.