OpenTechnical

OT-2026-000034183

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000034183) never changes.

Identity and time

Publication numberOT-2026-000034183 · never reused
Internal UUID01a0ae75-df0d-70a9-9e9b-eb4c8935f119 · 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-2026-000034183
StatusPUBLIC

Content hashes

Canonical text74063bf4c8a0592f147cc2e9647acc28cbd9bf7ef5e355f3e1f868fad538e1e0
Markdownb460a88d165fc4c79a87397fe7ceee492d18f774984d7a9282345594d5e29c8e
PDF
Publication page2de27bd3679fb7706b4f0705911d4d5f017e1c8f1b811fcd4679e3392d61c86d
Manifest88ff7d5f6882997f289387b0fd3b2cfe11f8fe819311fc3fbca118a77eaa0710

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
Signature8NVwaulcjrGxHFKziiWax5KgeVE6MVPs3D+ug6NLVZJ4TihSIxWYYgNuXJ8JzRTCH3U78MtYwhQyZFO7j2SDBA==
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

2026-09-17T11:30:43.009047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034183
observed 2de27bd3679fb7706b4f0705911d4d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.983591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034183/manifest.json
observed 88ff7d5f6882997f289387b0fd3b2cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.964493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034183/publication.md
observed b460a88d165fc4c79a87397fe7ceee49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.923794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034183/publication.txt
observed 74063bf4c8a0592f147cc2e9647acc28...
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.