OpenTechnical

OT-2026-000030330

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030330) never changes.

Identity and time

Publication numberOT-2026-000030330 · never reused
Internal UUID01a0ae73-e501-7875-8b45-381eb506af11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030330
StatusPUBLIC

Content hashes

Canonical text4985e1ecda183f723f12d9a1562d22294a5bf1e4da1fc61a1fada09d96ace0ac
Markdownff80eb0968d890d0a79daac6791faf44e77c5fc7452373f05d177ce423203688
PDF
Publication page1b4abec0ef71c7e9bb4364e6ffbc1bdc41d803739a6ad0fedf9375fe3184e2f9
Manifest63784ba2517dbc7447112bb1649ac8fc73e8ea2a82d21e0a5f5277389ffb760c

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
Signature2MTU1Kw2gGI9B6/dUCDHO7Q2gkPjpI1A0MhEqHNKFZbpnwFxQIwM+zZdn6UF5xAHGjVybDun+NMYwQRzee08CQ==
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

2026-09-17T11:38:02.421650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030330
observed 1b4abec0ef71c7e9bb4364e6ffbc1bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.405491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030330/manifest.json
observed 63784ba2517dbc7447112bb1649ac8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.385609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030330/publication.md
observed ff80eb0968d890d0a79daac6791faf44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.368071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030330/publication.txt
observed 4985e1ecda183f723f12d9a1562d2229...
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.