OpenTechnical

OT-2026-000036187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000036187) never changes.

Identity and time

Publication numberOT-2026-000036187 · never reused
Internal UUID01a0ae77-01cf-799e-98d8-eac6badfab51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036187
StatusPUBLIC

Content hashes

Canonical textbb191961516d0dc0055649c31e21e462386615207090c29ecc96973addce523e
Markdowna0dd976f3e08ade41ef7294c1d52b40e8a043a06c748235efe0dfab300db07a9
PDF
Publication page592211b89a3c2d372457daabe5244fdf7976001ccc8fb426e1f5fbb62fc5662b
Manifestcbf97a60bbd820938fa490700b3153c28ce5c087557dfcc1402980737b08466b

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
Signaturec+fH1KcOPAMdK5943nQJh9ej9uK5fHBT9W5OeKbS6SqktdKZtqJW5JKSRJRxrxeEYm3iSIsL4x0apEROhismCA==
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

2026-09-17T11:26:25.137873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036187
observed 592211b89a3c2d372457daabe5244fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:25.120161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036187/manifest.json
observed cbf97a60bbd820938fa490700b3153c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:25.100888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036187/publication.md
observed a0dd976f3e08ade41ef7294c1d52b40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:25.084846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036187/publication.txt
observed bb191961516d0dc0055649c31e21e462...
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.