OpenTechnical

OT-2026-000102155

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102155) never changes.

Identity and time

Publication numberOT-2026-000102155 · never reused
Internal UUID01a0aea4-50f2-79c8-b312-9df0cae31ebd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102155
StatusPUBLIC

Content hashes

Canonical text562f381efd145847fee793752dc437c7e7f43d3097738cfb1e2eaf43076e6d4e
Markdown5333b1fd0fae7c7ed73b4ff30529879f63f208f6b2d1349207818435f4f962a4
PDF
Publication pagee6ccccbbe3b283ce0c3dee9d619156dd3fd33668a2192259a67c4a3b27b292b0
Manifest9969361df86375f4af8026951465c38c08d131599c02f46455bcabbf2ceaa3c9

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
SignatureoCwhjLRH73D7zJ+JHfrcD72khgi+aZlxEiEYVX5xjkRnO5/aryVlee8J6k8EuKTkIImHSJUE8SkNo8WC1c5GAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:19.325131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102155
observed e6ccccbbe3b283ce0c3dee9d619156dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.306881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102155/manifest.json
observed 9969361df86375f4af8026951465c38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.290543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102155/publication.md
observed 5333b1fd0fae7c7ed73b4ff30529879f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.273313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102155/publication.txt
observed 562f381efd145847fee793752dc437c7...
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.