OpenTechnical

OT-2026-000030791

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030791) never changes.

Identity and time

Publication numberOT-2026-000030791 · never reused
Internal UUID01a0ae74-3fb4-717a-b306-9a6169c4c71a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030791
StatusPUBLIC

Content hashes

Canonical text6552ad8e8b609f269b4a69926a5333992c4d9b4252256260c73f61462bfc8e2f
Markdown3733df3350b4f1fa76321d68a302e6b7f04e867c43f94ec58026825a2a7e2338
PDF
Publication pageedb9fdc06bf5b8663682eb415aeec66e08fb232886e24954e8a87b24f84af040
Manifest0fa4035e0a4f08a6ee4a918e66582b8afb0bb8bdffe67ff2411c3accadfdde85

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
SignatureMXxey3Aok9ky2Ho6fezSS5CAt9w52XRL8yw487reVYqeQgKmOcBIJFG09pjVOw4ddh9DWwdzLhtOnkikQe0IAw==
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

2026-09-17T11:36:45.288608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030791
observed edb9fdc06bf5b8663682eb415aeec66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.270743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030791/manifest.json
observed 0fa4035e0a4f08a6ee4a918e66582b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.254168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030791/publication.md
observed 3733df3350b4f1fa76321d68a302e6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.237544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030791/publication.txt
observed 6552ad8e8b609f269b4a69926a533399...
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.