OpenTechnical

OT-2026-000071283

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000071283) never changes.

Identity and time

Publication numberOT-2026-000071283 · never reused
Internal UUID01a0ae91-e0ec-7310-a652-377ee6789a5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071283
StatusPUBLIC

Content hashes

Canonical textbf93f138e10ca1a292a4d0b113bfadfdcf13f5e8da7953938d3009383f4e07b0
Markdown6180cc8fb7a8e042f8b54488e2fa9ebb154fb580e6a2b9b902a2701b7555d5e7
PDF
Publication pageff8485061a2e433a40d971e61c89b78540d232e9c628547b7182a44678f17bc2
Manifest4ffdac0bd32779aa9f3e20c0ec99e126a5c5db8e233ffb197c20bcd54babb3e2

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
SignatureDNynPZTnPJGEK9q1NRw9zqgSXVWwghlXbXUsHypOegOrEJFE14v5farvs88P99FQIt69jfvYvPJLdVFX+u9tDA==
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

2026-09-17T10:24:43.938841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071283
observed ff8485061a2e433a40d971e61c89b785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.920162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071283/manifest.json
observed 4ffdac0bd32779aa9f3e20c0ec99e126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.902849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071283/publication.md
observed 6180cc8fb7a8e042f8b54488e2fa9ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.886268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071283/publication.txt
observed bf93f138e10ca1a292a4d0b113bfadfd...
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.