OpenTechnical

OT-2026-000033146

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000033146) never changes.

Identity and time

Publication numberOT-2026-000033146 · never reused
Internal UUID01a0ae75-4844-76dc-bd6f-4324616febe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033146
StatusPUBLIC

Content hashes

Canonical textd5c7129405ecfa7584837f75ea57253d9b1e13556643bf9e7188dee2347b4566
Markdownb6d4c49a3b3cbe035b96fff0de2f5c7e33cfb7d02e95a903868ecb3e75ce87d3
PDF
Publication pagef67ccb73709e2dd0c354416299998e6195e31f9a8d69d2e071c0eb1298d393f8
Manifest0c9ad4c0c93f51e451543e6892fd5da3c02ad3a372b53a2be12640816abb650e

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
Signature2fUB3NbKRfP/iRgjUKdmrGJ1sXntRd75EEi1HYVJPOtj536lflJOzZjmzG0NjJArxSQQKHFeLUqmzdFd3GQ7BQ==
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

2026-09-17T11:32:49.870632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033146
observed f67ccb73709e2dd0c354416299998e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.854047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033146/manifest.json
observed 0c9ad4c0c93f51e451543e6892fd5da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.838508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033146/publication.md
observed b6d4c49a3b3cbe035b96fff0de2f5c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.823251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033146/publication.txt
observed d5c7129405ecfa7584837f75ea57253d...
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.