OpenTechnical

OT-2026-000030850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000030850) never changes.

Identity and time

Publication numberOT-2026-000030850 · never reused
Internal UUID01a0ae74-3fb5-7709-bdd1-1399f6e134bc · 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-2026-000030850
StatusPUBLIC

Content hashes

Canonical text845315440d8262d1fc9145b4cb96f4d2bc9553df6c60f2d0578b38a6dcea0dee
Markdownfbeb21c02b68e483dbc0c079c95ae8deae7790b79f74e023e60e3c2d1ac6b73e
PDF
Publication pagea756323f79cabfc3dfc0688f43905b00e95a759b844d085a103f308ff2f9d32c
Manifeste999d751a8106090564bb511d024a56180b5c8bb6351776c93123651f2d8a7c8

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
SignatureGRrKBjJdxCbTm/ESQocQMCWn9inF4R8NP+w5MwUMhwrxqk6sH6Vdxy1TFe0y68Gzr8V4JRjUdYI1F4tDjLRWCQ==
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

2026-09-17T11:36:49.619169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030850
observed a756323f79cabfc3dfc0688f43905b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.600848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030850/manifest.json
observed e999d751a8106090564bb511d024a561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.582434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030850/publication.md
observed fbeb21c02b68e483dbc0c079c95ae8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.562612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030850/publication.txt
observed 845315440d8262d1fc9145b4cb96f4d2...
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.