OpenTechnical

OT-2026-000090585

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000090585) never changes.

Identity and time

Publication numberOT-2026-000090585 · never reused
Internal UUID01a0ae9c-7f2f-7bea-a10f-ff79e1d2d8aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090585
StatusPUBLIC

Content hashes

Canonical text2fe11d66c2d08f2fc54a2e7a61d5c7f9ce4a24201b80aed929a06ca00aee5f23
Markdown766ffe6f93ee440273f109f41c2cf908314d31afd2d107fc238de87ab4df9dbe
PDF
Publication pagee7ed6983bd9b30c6c458b21c679c6a3ef355565f1860cc4f55140984ca56c20b
Manifest9f21b9d95bf130d809e4a7e1f341218e46fbb25d3116be4c5e5bd5fb6a30c6ca

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
SignaturefTmX2dx1NC3h38OhzTvUknITLlorbN8qvdAguYxOxxNVDgpp6TXcTldWcb9f/28KJGiPPORl8Syq/Zv9xNICBA==
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

2026-09-17T09:44:45.988943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090585
observed e7ed6983bd9b30c6c458b21c679c6a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.972440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090585/manifest.json
observed 9f21b9d95bf130d809e4a7e1f341218e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.955694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090585/publication.md
observed 766ffe6f93ee440273f109f41c2cf908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.937253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090585/publication.txt
observed 2fe11d66c2d08f2fc54a2e7a61d5c7f9...
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.