OpenTechnical

OT-2026-000048779

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000048779) never changes.

Identity and time

Publication numberOT-2026-000048779 · never reused
Internal UUID01a0ae80-c32c-78ea-86bd-788b30a4cdd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048779
StatusPUBLIC

Content hashes

Canonical text97f47e5eb6cdeb8de07d8e4d4f45b48b7c0d2739da712f0f95eaaf258049c423
Markdownd92a60e130cf29b3b3234f93162d17448b6104b9dfd3dce02f5ecbfe5851dceb
PDF
Publication page7b4b6bd53027f1dd3a2f869add1664dbcb6d757eb5b6b4382c724c05fa377604
Manifest53d1fe0576ee73f60fbcc7769506949e84b700909752d28cb9c6fabf46ec1611

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
SignatureAeHpAuCuqoXrwnrV9MokDdTXBSlhupe0MLuZ5Q5vkD92142v3A3cZkazja8BsBga9Gp7QO/LYh9yLbffKiqiCA==
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

2026-09-17T11:04:28.565395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048779
observed 7b4b6bd53027f1dd3a2f869add1664db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.538825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048779/manifest.json
observed 53d1fe0576ee73f60fbcc7769506949e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.511853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048779/publication.md
observed d92a60e130cf29b3b3234f93162d1744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.485841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048779/publication.txt
observed 97f47e5eb6cdeb8de07d8e4d4f45b48b...
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.