OpenTechnical

OT-2026-000078338

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000078338) never changes.

Identity and time

Publication numberOT-2026-000078338 · never reused
Internal UUID01a0ae95-7c27-7dce-915b-610c4b6c0e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078338
StatusPUBLIC

Content hashes

Canonical texta1fc1713a1ff05b54d803db4f7dbb221fb6216fc3ad530f2f252f5012b84309d
Markdown70dd5ab3615d5c929b000c7de707a340220c0b49e7e1d5ede2019f5fe61a98e1
PDF
Publication page6341c7da9ec044ffc105a95ec98952c0b452ad509ab0f47905acec9ebeb4c08a
Manifest9ec16946698eee8f8d85ce84bdcf96fb4e302c1e0f114c0a9b72fc97978cd12d

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
Signature0ylkNLZA+paQle3Ur/J2lC18LYK1TSMWXu4QjKoJTa7ZoUmEQzvbJEpysR8Ike55dKlEQqcSMYzeuZteq7sHAw==
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

2026-09-17T10:06:18.387232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078338
observed 6341c7da9ec044ffc105a95ec98952c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.368710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078338/manifest.json
observed 9ec16946698eee8f8d85ce84bdcf96fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.351994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078338/publication.md
observed 70dd5ab3615d5c929b000c7de707a340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.333967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078338/publication.txt
observed a1fc1713a1ff05b54d803db4f7dbb221...
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.