OpenTechnical

OT-2026-000032581

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000032581) never changes.

Identity and time

Publication numberOT-2026-000032581 · never reused
Internal UUID01a0ae75-1070-7d48-89bd-21aeda51c5e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032581
StatusPUBLIC

Content hashes

Canonical text33fb751bd4692b7890cd8b9d0d1a806902a622a36a7c5b3e3581bf03062b8edd
Markdown4953091dcdb24fc30c31f761bcd2167a83988f59f918c7fa08c8ee8fc3e163dc
PDF
Publication page5d88446d81cdb908726280c2c50c890d014e572508f7d0a7c6a87986c0b5c63c
Manifestdadffec2e097f28bf7e8ff9f0f0ab7ae2fc135f970a16347d88626e7434ddffd

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
SignatureFhOWaFwC7plo9SHgEwdROaSLTn47g14zj54eSSLpAP+q5e+owZuvtnpeoRbY9FxEhW1D/ghhlDEapHqELsUiAA==
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

2026-09-17T11:34:09.435113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032581
observed 5d88446d81cdb908726280c2c50c890d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.416705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032581/manifest.json
observed dadffec2e097f28bf7e8ff9f0f0ab7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.400197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032581/publication.md
observed 4953091dcdb24fc30c31f761bcd2167a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.380231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032581/publication.txt
observed 33fb751bd4692b7890cd8b9d0d1a8069...
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.