OpenTechnical

OT-2026-000075019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000075019) never changes.

Identity and time

Publication numberOT-2026-000075019 · never reused
Internal UUID01a0ae93-ac2d-76ae-809c-df58f312613a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075019
StatusPUBLIC

Content hashes

Canonical textd91fbe9bc1e1f0ca3e55bd05fb983dd6d214eb43696c84bad4c19fd3da4995f7
Markdownfd2eb61efe2d31e044ca17be9a75366a1e03cf3846d95e5ad2013f97ef4ab641
PDF
Publication page5efdbf1c0f6206ae2c0905d40c12bf261bdd9aefda9850d98ad566631a10d8cf
Manifest6465001f523e796e8a8502ed0ca8709d1a31a23d732a754f5158aae157e5ad55

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
SignatureLqNU1WQXcd3n7EiBs+b4rbSwJWTdpwX0PxmzIv+Dlypqdh2UGWd+VzR9dXYGbYrmqV++trCoE9byRb2PrVulBw==
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

2026-09-17T10:18:49.883907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075019
observed 5efdbf1c0f6206ae2c0905d40c12bf26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.866888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075019/manifest.json
observed 6465001f523e796e8a8502ed0ca8709d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.850242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075019/publication.md
observed fd2eb61efe2d31e044ca17be9a75366a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.833316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075019/publication.txt
observed d91fbe9bc1e1f0ca3e55bd05fb983dd6...
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.