OpenTechnical

OT-2026-000040534

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000040534) never changes.

Identity and time

Publication numberOT-2026-000040534 · never reused
Internal UUID01a0ae79-6d0d-77af-8548-97ce561056c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040534
StatusPUBLIC

Content hashes

Canonical text17b199471f30a42dc9cd1e678b1f8b3b6ae30715b22fa1b0887b015ab173685d
Markdowna46494912ef106ecaaf321027e15f4c37874f0e8d7ba315dfbf0a9133adbf6f3
PDF
Publication page10c51a4609a5318b1561fd57e5f3b9de4d5b9fd3916e9517365aea09dc4bef7f
Manifest840e36789326e761dac00d419c1c731d612897c0c05cf271a4977a06cab30fe4

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
Signature4wlZhPKT0VTnm8OSpii8SBvGGdLhwPwDywS2o53uEPhoiHVJKWAJ25mZ2jxfxXM6Tc1ruFwZGtUPy9WtDjSTAw==
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

2026-09-17T11:17:41.146244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040534
observed 10c51a4609a5318b1561fd57e5f3b9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.126021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040534/manifest.json
observed 840e36789326e761dac00d419c1c731d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.108334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040534/publication.md
observed a46494912ef106ecaaf321027e15f4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.090152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040534/publication.txt
observed 17b199471f30a42dc9cd1e678b1f8b3b...
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.