OpenTechnical

OT-2026-000040606

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000040606) never changes.

Identity and time

Publication numberOT-2026-000040606 · never reused
Internal UUID01a0ae79-6d0e-7732-acbd-5a44befc0790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040606
StatusPUBLIC

Content hashes

Canonical textdba6d115a06e6ac89fab46046f32953b8726dc7ef6f57c3afd7b0660aaeca7bb
Markdownf03c520c7f8353ccf9398ee50bbebd288b08b52bc8d857b33a97996862839273
PDF
Publication pagedc19073eeebbd26ef761b9355fc8e7ba1de8f80df000afaefa81c9c871ad7414
Manifesteeac4b3b94ad3b651469159dabd5658587b374cd47cc688dc9ffc4a82ce7f893

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
SignaturekCaFb3ycj1WEe2TIi84kpbcAa1nh+eCTWOMFXZGs/KELgGVewMZ7co56Dh2LbiUR6rC4AZjtmQyyumyK1YA6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:46.905195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040606
observed dc19073eeebbd26ef761b9355fc8e7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.887681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040606/manifest.json
observed eeac4b3b94ad3b651469159dabd56585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.870942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040606/publication.md
observed f03c520c7f8353ccf9398ee50bbebd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.851265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040606/publication.txt
observed dba6d115a06e6ac89fab46046f32953b...
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.