OpenTechnical

OT-2026-000102490

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000102490) never changes.

Identity and time

Publication numberOT-2026-000102490 · never reused
Internal UUID01a0aea4-858a-7b63-99dc-44ac2655036e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102490
StatusPUBLIC

Content hashes

Canonical text3988a10825834cb575cbc255586681cbb09260d2c03993fa2231232cccb3dc23
Markdown397705618e730efb82e2508d5a548b6699f05a66d7bf81fb5661fdbd40fa992a
PDF
Publication page8a97567b43a58b6af487bf74600429e9f1fea7bfb018a9cdaca90a73e658de52
Manifestd5608997d555472541c656268d58d0713d41e06ead992e61b5dcf7b40509c0d8

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
SignatureMG2hVFMaAvPXCMxk77gU29cPZaO1pq3a9u+u2UjqV7ptF5iJqDSJ7Z18C3aif4aAXJKqSeF1k9svxAjQAGBwCw==
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

2026-09-17T09:23:37.670557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102490
observed 8a97567b43a58b6af487bf74600429e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:37.651727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102490/manifest.json
observed d5608997d555472541c656268d58d071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:37.625433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102490/publication.md
observed 397705618e730efb82e2508d5a548b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:37.608073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102490/publication.txt
observed 3988a10825834cb575cbc255586681cb...
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.