OpenTechnical

OT-2026-000089458

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089458) never changes.

Identity and time

Publication numberOT-2026-000089458 · never reused
Internal UUID01a0ae9b-db02-75e5-b0d9-64280516fa60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089458
StatusPUBLIC

Content hashes

Canonical textcab5b08cfce413f716292037e04668a8c9baa0fcf27db097f26c45f1e6ee478d
Markdown732db33a96570883d496081a2f880f40957710481147142e1fd20ca4bf74bd11
PDF
Publication page94468cd07c832212b92cce3343e00a9c1244a0ad020f884a446029a8fe952dec
Manifestaa7520f2e49c87e5878e40df4467228922fabdbf8bbd11126e3089cc47dffb8e

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
SignatureuP67TWUbvPZjebVhWjplZRYoJyxEjG0TqE3v299DmUtCcMYFvGDXX11i484S8J2yukFUIHIqfT8YXUAo7IAsBQ==
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

2026-09-17T09:47:36.404474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089458
observed 94468cd07c832212b92cce3343e00a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.386979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089458/manifest.json
observed aa7520f2e49c87e5878e40df44672289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.369669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089458/publication.md
observed 732db33a96570883d496081a2f880f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.353769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089458/publication.txt
observed cab5b08cfce413f716292037e04668a8...
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.