OpenTechnical

OT-2026-000074263

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074263) never changes.

Identity and time

Publication numberOT-2026-000074263 · never reused
Internal UUID01a0ae93-7178-7d02-b9e7-16d2a3b7fc5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074263
StatusPUBLIC

Content hashes

Canonical text044083792003a680affc69160073e8a411f45217d7398e2e132d1309f0c462c4
Markdown2e7db7baf1875d547392069a1725ab97326ab2417d9c5e9e883316bf529a53e3
PDF
Publication page8472ec133bc17b62e23ec78842804051e8220323cdee6230618ae263d9bab1b8
Manifest1d2b31e99f95fe3535fa739d84703be81bc8d7ac75c585deaf99a9b8a6dd49a4

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
Signature3W5buBzygqvh+IWI3qFyPqI+c9mPnqdWTNUeF0FirFzX4nesg5+lW3JQIhxoIuC5kJH2o2JULduusIqXzdBdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:09.898828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074263
observed 8472ec133bc17b62e23ec78842804051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.882515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074263/manifest.json
observed 1d2b31e99f95fe3535fa739d84703be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.865406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074263/publication.md
observed 2e7db7baf1875d547392069a1725ab97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.846913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074263/publication.txt
observed 044083792003a680affc69160073e8a4...
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.