OpenTechnical

OT-2026-000091227

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091227) never changes.

Identity and time

Publication numberOT-2026-000091227 · never reused
Internal UUID01a0ae9c-f16c-7c68-9a93-fa148e483304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091227
StatusPUBLIC

Content hashes

Canonical text1bbc3f0b7184ec20063eb2636f75cdcd4fa5705f64691250075f848b5ecdb169
Markdownb57f979d15c3644ed5a2ce2dfc9ca708c30107e0b5eef0782ffcc447e882cec1
PDF
Publication pagea27c11aa8db8ba19e8ce58d8cbb9e76a03669644f567d13baa29fec6cb7dca80
Manifestdc6222a9a81dd295d3fe5e722faba142b6a35c72f18579c90e96f189d3cfdb33

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
SignatureUFn7S3CVqdilQCYjZS1EuiUJc+bYsni15O2LTIEnlKLiWA+mi5s7VgfBqegtGQlnIr3c6Af0zOHV5m7ZA5HyDA==
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

2026-09-17T09:43:24.013133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091227
observed a27c11aa8db8ba19e8ce58d8cbb9e76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.997574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091227/manifest.json
observed dc6222a9a81dd295d3fe5e722faba142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.980775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091227/publication.md
observed b57f979d15c3644ed5a2ce2dfc9ca708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.963379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091227/publication.txt
observed 1bbc3f0b7184ec20063eb2636f75cdcd...
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.