OpenTechnical

OT-2026-000028067

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000028067) never changes.

Identity and time

Publication numberOT-2026-000028067 · never reused
Internal UUID01a0ae72-a520-7102-b9d1-d329a1eaeda8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028067
StatusPUBLIC

Content hashes

Canonical texteacc886c9f16ec83ee277e268b78c0595ab09782baa8b742aa4d6e0c4587277e
Markdown2e62840242bed5fc9e6a607b99ff1eff66cf04bbd39e6541dec6abf7d0d62b7e
PDF
Publication pagebc0a96a9674f078a1c1ce9d62925258f38b1f5f3e8778e53b97fed8497e80992
Manifeste488f34b4045fd656817fdd0ad0d7493cf60be61f5eeb1c1ae246b4bb613e682

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
Signature+FWnkPPxL580yBabMqVkKerG8ESoP+NDsBwh5u9ky6s7XD8B6oioz7/lFjIoPAUEfFu3pwXPgwqy60ezn3DkAQ==
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

2026-09-17T11:42:24.229140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028067
observed bc0a96a9674f078a1c1ce9d62925258f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.211262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028067/manifest.json
observed e488f34b4045fd656817fdd0ad0d7493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.193832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028067/publication.md
observed 2e62840242bed5fc9e6a607b99ff1eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.174601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028067/publication.txt
observed eacc886c9f16ec83ee277e268b78c059...
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.