OpenTechnical

OT-2026-000068423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000068423) never changes.

Identity and time

Publication numberOT-2026-000068423 · never reused
Internal UUID01a0ae90-2481-700d-870e-bec5ed43fc5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068423
StatusPUBLIC

Content hashes

Canonical text0fd9f409334ca0a356c64b143486a7dd26b5f7218c348b28f7dd70f2faf28df5
Markdownc46a7aa0d9a1da91ef06e8fedcb0f27f080c1e1ec11269873ffdf8c525ac6f70
PDF
Publication page4841ce21daae56ba64fa71c782165b19644af0a92b3fc051d64b92062bc02c8c
Manifest196cd5b0ef7ca5ec419e9b839fd96c1d8bd31e561cf877546e110d77c556fce5

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
SignatureLXfuVZuF36SRLgZR2yYT6l8EzbASh+D+j5idupPowwseTaNWb/v0Vpdyu48MqevIIp1P9UzZi4UM9RJI/m6yAg==
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

2026-09-17T10:29:33.724696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068423
observed 4841ce21daae56ba64fa71c782165b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.705418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068423/manifest.json
observed 196cd5b0ef7ca5ec419e9b839fd96c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.685622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068423/publication.md
observed c46a7aa0d9a1da91ef06e8fedcb0f27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.667431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068423/publication.txt
observed 0fd9f409334ca0a356c64b143486a7dd...
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.