OpenTechnical

OT-2026-000040309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000040309) never changes.

Identity and time

Publication numberOT-2026-000040309 · never reused
Internal UUID01a0ae79-2700-7057-842b-f1403bd04fd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040309
StatusPUBLIC

Content hashes

Canonical text5e915db49c74e8fb8cc459dbec91b27bc36b722ee0f5d3ff4f6e845412a261cd
Markdowneb48cd5edd570375b2e35619780c335e5b2894102516db5ec534534d9ec8b321
PDF
Publication page8d3b70e22533d36be2233e4a95cdabfc02cb024366c0b16bda5618578d817b6f
Manifesta7896bcc363049bbd1fed1166ff15343f85d5665aec774d94d8ec994e98ee96d

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
SignaturehwuP8770IMgsa4A7otPA7vy19Z+7Unw4rGnUhPoNiq0Apwj0wGNZKgWXiAqDviDscE8BNLI+Xs1TRiepvDZSCg==
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

2026-09-17T11:19:18.413270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040309
observed 8d3b70e22533d36be2233e4a95cdabfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.396302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040309/manifest.json
observed a7896bcc363049bbd1fed1166ff15343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.377172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040309/publication.md
observed eb48cd5edd570375b2e35619780c335e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.358085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040309/publication.txt
observed 5e915db49c74e8fb8cc459dbec91b27b...
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.