OpenTechnical

OT-2026-000091311

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000091311) never changes.

Identity and time

Publication numberOT-2026-000091311 · never reused
Internal UUID01a0ae9c-f16c-7394-8534-f3a7a33a72a1 · 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-2026-000091311
StatusPUBLIC

Content hashes

Canonical textca60588393d56020cada4acd4b1fd7db30542a58e6fe49cd6db1478e55697dd7
Markdown50409800a39bad319666e8389e2c8ed87116ace07d871ef81592e181b7234162
PDF
Publication page5acf3a00caca954fb13dc45d032e2abbdd7798501ea5b40069f56099255495a2
Manifestcfa5f24504d602e03325ce623acda2c9fd57853a43789871b0a8956ad1936e68

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
Signature8rW6MKnByDlry7d3u/AZOLyUP19CRDxV3I3dhinuSSmhRZ+Y8EhyhEzvpUnV3HTH00UO5SM3qWWXBy3pJIoQAQ==
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

2026-09-17T09:43:30.786451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091311
observed 5acf3a00caca954fb13dc45d032e2abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.769460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091311/manifest.json
observed cfa5f24504d602e03325ce623acda2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.752929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091311/publication.md
observed 50409800a39bad319666e8389e2c8ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.734964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091311/publication.txt
observed ca60588393d56020cada4acd4b1fd7db...
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.