OpenTechnical

OT-2026-000019192

Publication integrity record

Four bellows cup vacuum gripper, 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-2026-000019192) never changes.

Identity and time

Publication numberOT-2026-000019192 · never reused
Internal UUID01a0ae6e-f391-7b46-9deb-58ba8c1fe162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019192
StatusPUBLIC

Content hashes

Canonical text90d4373b51da18d8e935fab0eafecde8829095f1da64a49f7bcfa5169718aa08
Markdown967b485127ca9e9914b8cbe960704c005daf4d185382bd95332bdbcb10c6c192
PDF
Publication pagefb4674a378efa749732d9af6baa93f7ba6b0ee9f0fd8e1b5a3f78df9da3fa2fc
Manifested3414e552d6d34fc6c17f8a2566e3fc7d2d5cbee66cd1cfcd48bee447d33dd1

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
Signaturea0rM15XA1wRDW+iRKCk9C//npc2ZUA1u2Mr7CVDiY4RxNR7SYyBj5v20kTignkxVd0YgOdtxECie8fZH6Ge8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:30.679958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019192
observed fb4674a378efa749732d9af6baa93f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.664168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019192/manifest.json
observed ed3414e552d6d34fc6c17f8a2566e3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.647426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019192/publication.md
observed 967b485127ca9e9914b8cbe960704c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.629496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019192/publication.txt
observed 90d4373b51da18d8e935fab0eafecde8...
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.