OpenTechnical

OT-2026-000014223

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000014223) never changes.

Identity and time

Publication numberOT-2026-000014223 · never reused
Internal UUID01a0ae6d-b279-7843-938f-f52658392a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014223
StatusPUBLIC

Content hashes

Canonical text4ee282ea225f6ad5be85b7e1b177d3fcc4c90f077df811fe70c888578716f47e
Markdownda077b7420ba3cc8ed50e749d8dfffcc5720e6ec525b19352e30e05f6f4a9f52
PDF
Publication page24a48587a4c3ea5122f196c8d99d257d54895df66ad0569c456a985617b95962
Manifest2165bccd5e73c1fea7149740820f2f4f9654c3c82dd017517bcb68002e1fafd8

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
SignaturewYRWZr70jlH5YELlQr3GUCJpIYj0RgueWiVyM3U5RH5aG1GbWZ6pOxpUwzMrDMcAwfE1Ssi29zDD5DtfdhF9Dg==
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

2026-09-17T12:07:20.064793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014223
observed 24a48587a4c3ea5122f196c8d99d257d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.045542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014223/manifest.json
observed 2165bccd5e73c1fea7149740820f2f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.025250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014223/publication.md
observed da077b7420ba3cc8ed50e749d8dfffcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.000728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014223/publication.txt
observed 4ee282ea225f6ad5be85b7e1b177d3fc...
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.