OpenTechnical

OT-2026-000030190

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000030190) never changes.

Identity and time

Publication numberOT-2026-000030190 · never reused
Internal UUID01a0ae73-e500-747c-bf30-2f51e99bc834 · 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-2026-000030190
StatusPUBLIC

Content hashes

Canonical text7698e03100c590336c888b8c6f65c6087750a0285fab4be23a73f12cbac695b4
Markdownc9f2fd37ef3055992262a6bb3749c78e8cbebe1c11e0d75bf2830f33f1957e14
PDF
Publication page49473f196400adc1a3ffd47558fbc8646a360241210cffcf557bf9f0f58c0154
Manifest3b95eb17db513dea4c57cc511d86833a99a1c2e88efe892b6502d6ea5b41d892

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
SignatureTrAtyWUZoD8b88ACrgizgOjTGJd14k+a95KdZhmpcVNZrrQ2WI1m2o4RJG5Lg/seP52cpvMki6ihca3c8iBmBA==
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

2026-09-17T11:40:33.411348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190
observed 49473f196400adc1a3ffd47558fbc864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.395445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190/manifest.json
observed 3b95eb17db513dea4c57cc511d86833a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.373755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190/publication.md
observed c9f2fd37ef3055992262a6bb3749c78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.349780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190/publication.txt
observed 7698e03100c590336c888b8c6f65c608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.739534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190
observed 49473f196400adc1a3ffd47558fbc864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.722999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190/manifest.json
observed 3b95eb17db513dea4c57cc511d86833a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.705552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190/publication.md
observed c9f2fd37ef3055992262a6bb3749c78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.686829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030190/publication.txt
observed 7698e03100c590336c888b8c6f65c608...
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.