OpenTechnical

OT-2026-000032146

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000032146) never changes.

Identity and time

Publication numberOT-2026-000032146 · never reused
Internal UUID01a0ae74-f7a5-71af-8458-0b9ee5a4b8dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032146
StatusPUBLIC

Content hashes

Canonical textb1f0b70a9e98aac3f8dff61662de780762cf6f2b85e198c1efb8f0a9cdbc75db
Markdown3b884dee834a0564ed1e0ecd5408b5af7888a6eb84b09e51d4f9829b754280d1
PDF
Publication pageb8734fadf42779b6538c698521732a289683cf1260312ec7b6daa63abb2943bb
Manifestac9b884b4d9689b1d86a51d1dd1aa240f4909160aa50c93008d5a8dc6360655e

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
SignaturegKcLmrPq4ZDTJkrijCYTWVD4rO95ZSeLXk6Qh4QrDx2GO3MleyDs+V+MGZFCVNoEorfUGUYgvrpmTHqiTii2Ag==
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

2026-09-17T11:34:28.089042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032146
observed b8734fadf42779b6538c698521732a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.071711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032146/manifest.json
observed ac9b884b4d9689b1d86a51d1dd1aa240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.052762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032146/publication.md
observed 3b884dee834a0564ed1e0ecd5408b5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.034880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032146/publication.txt
observed b1f0b70a9e98aac3f8dff61662de7807...
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.