OpenTechnical

OT-2026-000102031

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000102031) never changes.

Identity and time

Publication numberOT-2026-000102031 · never reused
Internal UUID01a0aea4-50f1-7c0b-90b9-3c24745afca4 · 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-2026-000102031
StatusPUBLIC

Content hashes

Canonical text92fbb92a27a3eb341509856d8b3d2355ee23bb8f507a409251c12e1021730fd9
Markdown87ea583e93f7a275a2aa68a06ef91b60e1892466a4d43944c6f279eeb6f0a639
PDF
Publication page9e06a48b1eca48d8c1518919bf8e63fae6144829fc153b61ec8396e51ababf69
Manifest3331a89407f224f93cb12a91d97ee66e29f3e917eb8fcc0cdf1a379b043f3479

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
Signature1mzoJHAd/osOW5O0GwRvj1l9b2Gm0w60KiZZKWpZqE6Z1F9mW35UcWdMJW5gwuIj5y0DQQRc5SXkNgvplioEAA==
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

2026-09-17T09:25:10.010170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102031
observed 9e06a48b1eca48d8c1518919bf8e63fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.991169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102031/manifest.json
observed 3331a89407f224f93cb12a91d97ee66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.972479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102031/publication.md
observed 87ea583e93f7a275a2aa68a06ef91b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.954864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102031/publication.txt
observed 92fbb92a27a3eb341509856d8b3d2355...
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.