OpenTechnical

OT-2026-000074071

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000074071) never changes.

Identity and time

Publication numberOT-2026-000074071 · never reused
Internal UUID01a0ae93-2b8f-7b5e-a47c-c7fd54ff72ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074071
StatusPUBLIC

Content hashes

Canonical text9a711920a3b8f9ade3a8bde7e8bfeed85a6432957cf1dc881ec3374462775172
Markdown4c095f8369edeae4abfd5b971dde89b0279cf526a8ded7992b9b1eaf854d601f
PDF
Publication pagea1fd2ff94b418b0bb2f539f5070e2fac914108833573c7c5b911a6fb9499d39a
Manifestd2e814f0bf0bd0ec1a9515ea05a9275a748c97a290321f65e3605f413e7f9c01

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
SignaturerKpdFqCWn7NMZYt2xpjADxLqrfPnVQXaCdUHtkOdr8S0MHBQV30NYwg5KHoz4rkhvhs4NsFPlN42QG/Yg9qtBA==
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

2026-09-17T10:20:24.198870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074071
observed a1fd2ff94b418b0bb2f539f5070e2fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.178447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074071/manifest.json
observed d2e814f0bf0bd0ec1a9515ea05a9275a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.157372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074071/publication.md
observed 4c095f8369edeae4abfd5b971dde89b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.137378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074071/publication.txt
observed 9a711920a3b8f9ade3a8bde7e8bfeed8...
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.