OpenTechnical

OT-2026-000063246

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000063246) never changes.

Identity and time

Publication numberOT-2026-000063246 · never reused
Internal UUID01a0ae8c-94ab-7769-914b-43bdc772152a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063246
StatusPUBLIC

Content hashes

Canonical textce960317ab96ddb3c61ad2240e260b60d7b98d380a86a48ae640c63b7d124495
Markdown28cfa1cde49a01309035aef11d91d3b06642a7867f3e489694fa33e68cd407d6
PDF
Publication pagea29c0a175d7d4d75cc89911a276dec9c3b07237ddce2ca22efb95bd50e05f0ec
Manifest5d130ff3c294d8fc0e51a5e2103e5c3c8d87b532800ab8d0933107ca6cd4b1fb

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
SignatureQKgShgKzKprLJoBLrft+oper8tVdBI3RUDJlsnwwHWl5xmHhfDsbk0dkm6jgQHE76wm0w4Cg7aazkD0KXTYZBw==
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

2026-09-17T10:39:07.785970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063246
observed a29c0a175d7d4d75cc89911a276dec9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.767186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063246/manifest.json
observed 5d130ff3c294d8fc0e51a5e2103e5c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.750116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063246/publication.md
observed 28cfa1cde49a01309035aef11d91d3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.731409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063246/publication.txt
observed ce960317ab96ddb3c61ad2240e260b60...
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.