OpenTechnical

OT-2026-000037447

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000037447) never changes.

Identity and time

Publication numberOT-2026-000037447 · never reused
Internal UUID01a0ae77-b8ce-7424-befb-5f2f9aecda66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037447
StatusPUBLIC

Content hashes

Canonical texta579434a5a93ae20f28f05a0c3081d0b5629961f7a4a2631773f66ed0d4dcfb3
Markdown09e7979093de630432668f568be9d740fea7478b04600798ed723560a6a123e9
PDF
Publication page0a9e4a5d58c0a5c2b90bca50680b333cc715264ea8374039f2f9e637c1fbaf93
Manifest9fa13c0b1db19a108e52ec74ad3cd0183a6e5cc8ab9275846288b405e82f7718

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
SignaturetcmSIU4zm3tuUTSvB9oN/nkt/aHbuTQYOMCH5xvAP19fWSYyHPzb9E9TNJnrvAFPtia059qcDPcIzzbudkoBBg==
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

2026-09-17T11:23:52.833478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037447
observed 0a9e4a5d58c0a5c2b90bca50680b333c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.812722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037447/manifest.json
observed 9fa13c0b1db19a108e52ec74ad3cd018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.794419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037447/publication.md
observed 09e7979093de630432668f568be9d740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.777547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037447/publication.txt
observed a579434a5a93ae20f28f05a0c3081d0b...
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.