OpenTechnical

OT-2026-000090799

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000090799) never changes.

Identity and time

Publication numberOT-2026-000090799 · never reused
Internal UUID01a0ae9c-7f32-78ce-a2d5-db529248d412 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090799
StatusPUBLIC

Content hashes

Canonical text4a41cc23e77023ffe0d51876635d0e91746df247c8805924a7211b864032f1e1
Markdown310858982cac4fd02dbe133b0a4da5d8a98ff46d7187e1187ad8141741c033b5
PDF
Publication page3affe222fb95c4d51eeb3e240dc705dd32d8cac69908b1c6be7dfcbd0d330de9
Manifestc509d181fc3060493d24521b629f3cbecb408e9aec3eecdc02f8dbb327a0395b

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
SignatureM2oEQaxlbr6mzTySoOOZohpiArmmLKB2ryW5PDj9icBxK4guqwpU1M7Y8ApF9Osa4tBnPASs09js3tOx9Nn4Aw==
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

2026-09-17T09:45:00.419733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090799
observed 3affe222fb95c4d51eeb3e240dc705dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.401560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090799/manifest.json
observed c509d181fc3060493d24521b629f3cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.383678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090799/publication.md
observed 310858982cac4fd02dbe133b0a4da5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.365462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090799/publication.txt
observed 4a41cc23e77023ffe0d51876635d0e91...
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.