OpenTechnical

OT-2026-000074492

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000074492) never changes.

Identity and time

Publication numberOT-2026-000074492 · never reused
Internal UUID01a0ae93-717a-707e-8f9c-9c9d70e87245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074492
StatusPUBLIC

Content hashes

Canonical text82f819ab44206391254ae07d85ea0adbf5d15befc1f28e8972e97154385b9c3b
Markdownfc4c734e06b442ff4e8a10ab83d1fa9e5a50ffbc0cd1bd2daa3f5aef0b866564
PDF
Publication page4ca03c0a5ca2e6352920a62014d325b97cebbd49594d6b3005da27c9f5000687
Manifestb67f704bbb6f8c45b01074e84b3ffa91139c2191af24410ff90775c44fcc6e06

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
SignatureLRplSulfsEZSPvilyRZ3t+Sfo7IPFgTaOa2l/mAfZ7y3AscQCs7AQTu8M1H02KOAhEuUD4+NQ88feRvh64jCDA==
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

2026-09-17T10:19:27.635381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074492
observed 4ca03c0a5ca2e6352920a62014d325b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.617677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074492/manifest.json
observed b67f704bbb6f8c45b01074e84b3ffa91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.599266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074492/publication.md
observed fc4c734e06b442ff4e8a10ab83d1fa9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.579875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074492/publication.txt
observed 82f819ab44206391254ae07d85ea0adb...
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.