OpenTechnical

OT-2026-000074464

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before 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-2026-000074464) never changes.

Identity and time

Publication numberOT-2026-000074464 · never reused
Internal UUID01a0ae93-717a-7cd3-9b18-be11e04cfa62 · 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-2026-000074464
StatusPUBLIC

Content hashes

Canonical textcefc179957da022cd2308aaa329608e3d87f241d878b514eb07c0f4afa54a6b9
Markdownb5450cf1d954a54ff36fae590a6cfc9ac352bfd4826b3fa82dbfb7b47ccbbc39
PDF
Publication page607fee10d8b6439c9dc9843c44700bdaf63abdf4613bbe0c2c9986353c0b1775
Manifest7d7e0f6c1adcc1c38ffac39e3d0e26b3a43b75930af97a5173a17c58feef0395

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
Signature+y5HIymzDz4W7bdmbysO78MTjl7qVMmxn08yl6vRAHhWiNZP1lpMehA26THLV2LKKbXlk2w196zvHfwEITtkDw==
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

2026-09-17T10:19:25.412595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074464
observed 607fee10d8b6439c9dc9843c44700bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.395784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074464/manifest.json
observed 7d7e0f6c1adcc1c38ffac39e3d0e26b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.378818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074464/publication.md
observed b5450cf1d954a54ff36fae590a6cfc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.360332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074464/publication.txt
observed cefc179957da022cd2308aaa329608e3...
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.