OpenTechnical

OT-2026-000011070

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000011070) never changes.

Identity and time

Publication numberOT-2026-000011070 · never reused
Internal UUID01a0ae6c-540e-73c4-9690-70f94b2fe4d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011070
StatusPUBLIC

Content hashes

Canonical text007c287260138722873fbf2eca51cfcbe36e76798421005f95ab5eed8046f0eb
Markdownbec43aea1afcd213fa2f286a67d1ebc56cfcf17c5aaf1ba0d6bd5100966e4c3f
PDF
Publication page83cd3c114a2062c2f9bc201860a5d2862809d6e462d9cba98da0c531d0453f63
Manifest9e3df0bd5bf974ec397bbdeef9ef39ce0d533d42432f5a9f132dc60979a1db8e

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
SignaturexiRfUj3piUua2Ttq+6PNEAsIzqlnCmXxfCZuuPfS0NtcjkhR9V8vgSN5t8i2JmqtEy+uYK/HZq/y9SE0YpXEBQ==
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

2026-09-17T12:13:54.266387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011070
observed 83cd3c114a2062c2f9bc201860a5d286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.246843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011070/manifest.json
observed 9e3df0bd5bf974ec397bbdeef9ef39ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.228042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011070/publication.md
observed bec43aea1afcd213fa2f286a67d1ebc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.207553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011070/publication.txt
observed 007c287260138722873fbf2eca51cfcb...
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.