OpenTechnical

OT-2026-000065387

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000065387) never changes.

Identity and time

Publication numberOT-2026-000065387 · never reused
Internal UUID01a0ae8e-46f8-7c52-9668-89e3c3b95d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065387
StatusPUBLIC

Content hashes

Canonical text46d93982e99fc3c75aadc575c8ad9d37f3c6df91e97db83d9612c9f9eae01b8d
Markdown97ab3d8adb657dfd96ddf7caea5ea9b8c564b36a0e9a8df4b9983eb432e8871f
PDF
Publication page45722b563c9ecc109d8bb72fb694868ab58c9307ac82be9ff01cf4ce4ddbe8f3
Manifest018e82a02c576bf8473a9a2832dcf219019ca518ecb29a2e0759d1e8ffb8af19

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
SignaturenKfJScV1LtMXhUxr9Y+BU1VylsCzoF9+44Yymin2rGcP4FnP/Fw7gFEMxdxoFy2o2ycOT34RMdqOxZEijfo2DQ==
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

2026-09-17T10:33:38.661394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065387
observed 45722b563c9ecc109d8bb72fb694868a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.644168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065387/manifest.json
observed 018e82a02c576bf8473a9a2832dcf219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.625854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065387/publication.md
observed 97ab3d8adb657dfd96ddf7caea5ea9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.605725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065387/publication.txt
observed 46d93982e99fc3c75aadc575c8ad9d37...
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.