OpenTechnical

OT-2026-000063410

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000063410) never changes.

Identity and time

Publication numberOT-2026-000063410 · never reused
Internal UUID01a0ae8c-f944-7b79-b475-22fde48ccf89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063410
StatusPUBLIC

Content hashes

Canonical text9851845a70a418bcc26753df0eb9c145df383453be8551d3ad95c7a75663ef87
Markdownf38f6669a9104c4741a14b2a6ddc9a2ade5d9677a435cbf9f33e9637a9568ae5
PDF
Publication pagef460191988074992a4225ce870ca4ec41ec7efea4a6ad26654a62963e1752936
Manifestaa6c519781acd23041bfaf881e188cc9c9dc8b0dee0afc97f2f0f04a462e293b

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
SignatureTVcOwDbczmNVR0hX4P6uesOLocZJybf/q5EpVATW7pCQztjk1PQ2qtluLA/+yvBrFbK/AfgzpZX91E0mLWRXAw==
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

2026-09-17T10:37:19.810468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063410
observed f460191988074992a4225ce870ca4ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.794561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063410/manifest.json
observed aa6c519781acd23041bfaf881e188cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.777545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063410/publication.md
observed f38f6669a9104c4741a14b2a6ddc9a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.759662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063410/publication.txt
observed 9851845a70a418bcc26753df0eb9c145...
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.