OpenTechnical

OT-2026-000025868

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000025868) never changes.

Identity and time

Publication numberOT-2026-000025868 · never reused
Internal UUID01a0ae71-a83e-7879-abc0-2d13087fb77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025868
StatusPUBLIC

Content hashes

Canonical textd697cc3aa214a1209f75405ffec79939dad55dd0ec96233a7fbc71630d795234
Markdownf66a9f5c213f45d834c520c7fe27f79e596be8da43864e449e7cb4e748911143
PDF
Publication pagee2e71b24789c9637c8b1fd0ace7dd6551e1e9c7f5e1dcfb7896c9d64454b8ab7
Manifest5ae0ac0ab82ec44a602e1c0386ead8261a4fd95cb454eaaff2b011f173ea1c1a

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
SignatureLvYIsbJjAFA2RA4ganX8TN6NqWV4EtJGmAgOICXszTa4t03f8ogtp1da5p+DxnWZL+/VeAsX1y09uUcmKhD7AQ==
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

2026-09-17T11:46:06.292404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025868
observed e2e71b24789c9637c8b1fd0ace7dd655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.274424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025868/manifest.json
observed 5ae0ac0ab82ec44a602e1c0386ead826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.257449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025868/publication.md
observed f66a9f5c213f45d834c520c7fe27f79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.239110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025868/publication.txt
observed d697cc3aa214a1209f75405ffec79939...
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.