OpenTechnical

OT-2026-000071311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000071311) never changes.

Identity and time

Publication numberOT-2026-000071311 · never reused
Internal UUID01a0ae91-e0ec-719b-ae8c-ba42031c6402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071311
StatusPUBLIC

Content hashes

Canonical text44aa18bbb372a7927eff47e6b236323024b3e9bc2c81ab51f03b0407611ff33a
Markdowne9dbbba6492ffac182f27fa5fcb7feefbbcd50b9c1295b1fcca9ec6f85f3e676
PDF
Publication pagec514d2181f365ea2783201834c4b9f22016b63694754da0e2d1967adf165c166
Manifestfe53cdd667aedd811d223c6a0ba2c479abe7ac6e2445ab87fc49cb1301d8c49a

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
SignatureQZ12UIDLt3wfiB6iQVIpgW5Hh+kB6ASZQAom8L2Wz9scXMHwGh5chST7UhLjGdtkn49+Z9IkVkMPbTH9kJyLBg==
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

2026-09-17T10:24:53.902046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071311
observed c514d2181f365ea2783201834c4b9f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.885231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071311/manifest.json
observed fe53cdd667aedd811d223c6a0ba2c479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.867949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071311/publication.md
observed e9dbbba6492ffac182f27fa5fcb7feef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.849995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071311/publication.txt
observed 44aa18bbb372a7927eff47e6b2363230...
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.