OpenTechnical

OT-2026-000008917

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, vented after 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-2026-000008917) never changes.

Identity and time

Publication numberOT-2026-000008917 · never reused
Internal UUID01a0ae6b-31b7-7c68-a13b-d98f3e05dd52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008917
StatusPUBLIC

Content hashes

Canonical textf240545fa65888c4e76f5cde1eacb82b933a2eaeb8da61a360807d45f5ff84e1
Markdown2ca44bde25fb0c333801a9899d1ba4c904de41bc886415d3475187efe3a2292f
PDF
Publication page03788785ea2140f0695dfdd1f6a42697cf9140c6d7583e181cca47552f0928bd
Manifest401015d81eb7e5e8959279972c545399d9f29754b1188a72b41b73cbf0a7af56

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
SignatureDErY+4lhq/2k9ANMDhzIqADQ/Iydx4DJlYbA+mkhEpPV+ndIJLlp8WYerx7sg4uw+MQMjnCjRGvnBBpetEuqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:21.833024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008917
observed 03788785ea2140f0695dfdd1f6a42697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.810887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008917/manifest.json
observed 401015d81eb7e5e8959279972c545399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.759817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008917/publication.md
observed 2ca44bde25fb0c333801a9899d1ba4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.709968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008917/publication.txt
observed f240545fa65888c4e76f5cde1eacb82b...
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.