OpenTechnical

OT-2026-000074065

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-2026-000074065) never changes.

Identity and time

Publication numberOT-2026-000074065 · never reused
Internal UUID01a0ae93-2b8f-7ba4-8768-25fba700409c · 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-2026-000074065
StatusPUBLIC

Content hashes

Canonical text928489628364665ba7aa73f790aac27e314cf4775b58d48ff99ec2ea6346855d
Markdown810209cc8799cea2171bd42629c3a14d00f138b7ea09282db30d58bbbc121ba0
PDF
Publication page31d5d68d148595a97c2ca00929d5fd2ffda5453e605b50ba8ae08be8b8393297
Manifest6175b6ded28cadf95c9b4116ad7564d3215a6ece7e61a050069d6469c319c785

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
Signature+IVxb/SlhPML0sl3kjSb6TJapn/WemLM+LurbNRQczC6fEyby4Hdr2izgOZ5H+pL4sO8ICKTOyD04v/bgLDbBQ==
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

2026-09-17T10:20:23.721801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074065
observed 31d5d68d148595a97c2ca00929d5fd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.705494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074065/manifest.json
observed 6175b6ded28cadf95c9b4116ad7564d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.684922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074065/publication.md
observed 810209cc8799cea2171bd42629c3a14d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.667481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074065/publication.txt
observed 928489628364665ba7aa73f790aac27e...
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.