OpenTechnical

OT-2026-000078249

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000078249) never changes.

Identity and time

Publication numberOT-2026-000078249 · never reused
Internal UUID01a0ae95-7c27-7835-b9c7-362b9376850d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078249
StatusPUBLIC

Content hashes

Canonical texte57505d2fe65ecc8bce759288b4a910739d884862ba6c6c905d00d296e70b5f3
Markdowna56edf8b6ce1ca03ae8eaa1aa03ff0b4ba5754a394b99d4c9302e350fb8047c5
PDF
Publication pagee7b6ce24ed27235c23b8f656d668965a61d7f638f66741143ea43678b200ada9
Manifest960a48e97e9d0b132d1cc0e93b03fdb70e39ae62da938e301dd5b8104b5f71a6

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
SignatureyRva5XS/8HjUiqsYy2eFhm4S9aLuWSzskHRfx9x0a9uLXadMohszLMImVLPDMZb4B7rBjbnNxEeYa81oh6N2Ag==
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

2026-09-17T10:06:12.258981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078249
observed e7b6ce24ed27235c23b8f656d668965a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.238929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078249/manifest.json
observed 960a48e97e9d0b132d1cc0e93b03fdb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.216877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078249/publication.md
observed a56edf8b6ce1ca03ae8eaa1aa03ff0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.197785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078249/publication.txt
observed e57505d2fe65ecc8bce759288b4a9107...
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.