OpenTechnical

OT-2026-000083216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000083216) never changes.

Identity and time

Publication numberOT-2026-000083216 · never reused
Internal UUID01a0ae97-c963-7e9e-ac25-3e981b20be4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083216
StatusPUBLIC

Content hashes

Canonical text8b03c874958b46c1fe5e9ac2de54791d0bf494ead21f609bdfcb19e255aacab3
Markdownc09108efa24702c0cbc3c7747d1bbfca911c4d0e2dd183601e0c5c1c40d0d9b8
PDF
Publication page78f3c15d3c8c7b059783152ca81678f9e20d45e48d31ac717dfaa3cf4602ccc2
Manifestc8fc97ba2e0d56cb177abc3d570727483bf55d0556f3baf908e3acd84697c3c4

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
SignaturegDEQWDcpTCF2pBqJ1wtOlsVY/jieNo7jP8ed5MCgK06s/zAFDRdPc4gYbST+jaiOWBGlcDa7C82i1HpoRpFzAQ==
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

2026-09-17T09:01:06.880318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083216
observed 78f3c15d3c8c7b059783152ca81678f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.861735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083216/manifest.json
observed c8fc97ba2e0d56cb177abc3d57072748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.843538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083216/publication.md
observed c09108efa24702c0cbc3c7747d1bbfca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.825843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083216/publication.txt
observed 8b03c874958b46c1fe5e9ac2de54791d...
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.