OpenTechnical

OT-2026-000034189

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034189) never changes.

Identity and time

Publication numberOT-2026-000034189 · never reused
Internal UUID01a0ae75-df0d-7243-9c98-89659891dd17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034189
StatusPUBLIC

Content hashes

Canonical text7c58ceeb8ed7526bc4353a438e4e42269209d91c61505f74ef34cd8ab9728fd8
Markdown1a2993ea9eb8f70333432917309aa033d3a207a9000b52f01e310784d333f2fb
PDF
Publication page10a473064db8c39068d86d359a9dcd07c360c50782c52a649c1714b996cffebd
Manifest500b4576ed280ff8993150f5b957c88a1f78b286ebc487974a764e2ae04df247

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
Signature/yjMfxPV++9kyS6t3klLsEuDcr4X0k3bciN1hsKbMv7SLECQJE2/8J3a3tjjNe21xCakU0uG1qDlVxnmtybhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:43.679056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034189
observed 10a473064db8c39068d86d359a9dcd07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.661296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034189/manifest.json
observed 500b4576ed280ff8993150f5b957c88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.644241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034189/publication.md
observed 1a2993ea9eb8f70333432917309aa033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.625576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034189/publication.txt
observed 7c58ceeb8ed7526bc4353a438e4e4226...
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.