OpenTechnical

OT-2026-000033002

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033002) never changes.

Identity and time

Publication numberOT-2026-000033002 · never reused
Internal UUID01a0ae75-4843-7290-affe-e0b1ee781494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033002
StatusPUBLIC

Content hashes

Canonical textb273be9acab8c203082442b5a8eca12b647233e315eaee80b83eaf9f1a6e8666
Markdown8a6d491c42107ab7f0060ab4e8c788a9f205f7e80793d91a48d02545b30f8f83
PDF
Publication pagef9b741cb9647d9dbe9e7f2ed492eed9db6f9a2316fc82b7269fd8badd67f7814
Manifestfc3a9cc568b1c74b281d8d0cac36934ca2b356768a0c466356a2246b44cbb973

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
SignatureSEEJyAK0jU5leo9BVwfZdf/RpheJCY9ipUDQBn2TH9vBRFklGXyeHEncFFMKYpnFaxe637GilDWYwhcIbPbgBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:37.243608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033002
observed f9b741cb9647d9dbe9e7f2ed492eed9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:37.227687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033002/manifest.json
observed fc3a9cc568b1c74b281d8d0cac36934c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:37.210461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033002/publication.md
observed 8a6d491c42107ab7f0060ab4e8c788a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:37.193983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033002/publication.txt
observed b273be9acab8c203082442b5a8eca12b...
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.