OpenTechnical

OT-2026-000073116

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000073116) never changes.

Identity and time

Publication numberOT-2026-000073116 · never reused
Internal UUID01a0ae92-efb5-71a9-83c7-7cc121cc088f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073116
StatusPUBLIC

Content hashes

Canonical text39cc6d23133c693bf019d240e87d9137d3fc079c4082defbd242c09492c7b5b7
Markdownd40468ffa93649dd316b844f39c415ac741c5fb446bf5f9f57d5f5de3de1a197
PDF
Publication pagee8b5067c63aa9357f1d4f6b0ecca99a485c1403001b671220aa349081d2d73de
Manifest20fc1fe05fcef5aab8b37cd5dc0a0f82acc3ea5caab0d76fc48083e22bd647ba

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
SignaturewetcJjLi7P0TIH7jtjR/R19ndRndz3GL++M0KHpFZd7Wnz8GNwnmKYEaRgytxnfCRHlGc0LKRUnX/eErua+TBw==
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

2026-09-17T10:21:02.711183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073116
observed e8b5067c63aa9357f1d4f6b0ecca99a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.692915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073116/manifest.json
observed 20fc1fe05fcef5aab8b37cd5dc0a0f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.675094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073116/publication.md
observed d40468ffa93649dd316b844f39c415ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.657242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073116/publication.txt
observed 39cc6d23133c693bf019d240e87d9137...
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.