OpenTechnical

OT-2026-000090135

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000090135) never changes.

Identity and time

Publication numberOT-2026-000090135 · never reused
Internal UUID01a0ae9c-428f-7ed2-b209-8ceed198ba65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090135
StatusPUBLIC

Content hashes

Canonical text597df3bd57268792217e91e932caa1c0860ab878bd910059f3aa1c37f6d34588
Markdown758d964d4b21e4b23638ba5988ffcf4ed41a65060d5f179a9185f9972429ee1a
PDF
Publication page5f09b1b821437c77c920b6212b0008ab0d21870070035391b180c3908e782306
Manifest290e9542cc72495464d96f52c439a2b6401d2c6d157460de410e71bd026c55a6

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
Signature8pgWUwyxzzcb0v4h04BLpuRsOIaWDT+ywC+zeEickA9DRTyL+78pyIn/eRXYYz+QlyLSKQuNh5Qvcu+/GvmkBw==
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

2026-09-17T09:45:34.427752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090135
observed 5f09b1b821437c77c920b6212b0008ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.409652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090135/manifest.json
observed 290e9542cc72495464d96f52c439a2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.391662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090135/publication.md
observed 758d964d4b21e4b23638ba5988ffcf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.371779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090135/publication.txt
observed 597df3bd57268792217e91e932caa1c0...
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.