OpenTechnical

OT-2026-000034391

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000034391) never changes.

Identity and time

Publication numberOT-2026-000034391 · never reused
Internal UUID01a0ae75-df0e-73c2-85b6-a321fd2c603b · 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-2026-000034391
StatusPUBLIC

Content hashes

Canonical text93a9ffaa760150429dd01e5035192ced79e9748502432b795386361bf1d0bdfb
Markdownd11a2a1dfb4544b12e8d4a2b9496321674a548c218676a6aada7591838ab944e
PDF
Publication page0887fd800bf35136b2b4ac0fee76d6c937b866f93ce9193edc66721bd3b9c258
Manifest98ded8ff4946c1b7e350d116b8719080e2480daa670f855d25210916b741863c

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
SignatureiwfwLHTSHJ+0YiDcSCAyoWGdpAa1u1r1A9sjHx8qwhCzEyHSgrTIRWa2A9MvllNtODi1YiADWtrJQsS/5DmfDQ==
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

2026-09-17T11:31:06.331878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034391
observed 0887fd800bf35136b2b4ac0fee76d6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.312468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034391/manifest.json
observed 98ded8ff4946c1b7e350d116b8719080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.291999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034391/publication.md
observed d11a2a1dfb4544b12e8d4a2b94963216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.273469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034391/publication.txt
observed 93a9ffaa760150429dd01e5035192ced...
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.