OpenTechnical

OT-2026-000092739

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000092739) never changes.

Identity and time

Publication numberOT-2026-000092739 · never reused
Internal UUID01a0ae9d-b600-7ad4-bc1a-dfad9b4201e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092739
StatusPUBLIC

Content hashes

Canonical textb2508d123b950ebb5839214dba5711d24aee739a14c5c1cbdad7c1c3cba6600d
Markdown709e879c4900e0e0599d706b95eabea6302d54296cc77a41a2026fbc6676e5a4
PDF
Publication page0cc7ba06ee0043578cdc30b0cdcb81619b5fd3e1bb8809494f9d763a4ae7042c
Manifest3f12dfaff6be870fc8d100d7885e8ae61bb40252e05f174e930bac1047dd1553

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
SignatureUwy7fa/zI8tTw6PjKAkMLGPNxkz2F9aELALjiHZmjqH20ubVGDLSa7XPOAwTLuu8nPmYnZex1wIIuce99NwoBA==
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

2026-09-17T09:41:21.927893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092739
observed 0cc7ba06ee0043578cdc30b0cdcb8161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.909591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092739/manifest.json
observed 3f12dfaff6be870fc8d100d7885e8ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.892304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092739/publication.md
observed 709e879c4900e0e0599d706b95eabea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.875579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092739/publication.txt
observed b2508d123b950ebb5839214dba5711d2...
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.