OpenTechnical

OT-2026-000066623

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000066623) never changes.

Identity and time

Publication numberOT-2026-000066623 · never reused
Internal UUID01a0ae8e-ce41-73eb-94f9-8d51d7dc0f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066623
StatusPUBLIC

Content hashes

Canonical text23f752bc9bff2190c2fcab5f91ad817b1c8c4f67ceb9540e0fd18acc548b2077
Markdown8883e2b1d969952b6d85e19c4ab8f0b310b692c1d1fc6ff69196160220641a66
PDF
Publication page02d4c766c9a930bf7f4e814b69df1711a30a8e28180228169361577f0410d0ba
Manifesteab9bc28cf1e5cd61edb102ac3096340e96cef06a3f117fbc09f73d585f13bdf

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
Signature5mFM9H6MsKyn79MN8+BWXYxravUjCdfNaY2Xo0nyzG/2eBh/arVY9IFWBR1Iq0nY3gjbj+shPDuvDmSAVQAaDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:00.016427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066623
observed 02d4c766c9a930bf7f4e814b69df1711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.976765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066623/manifest.json
observed eab9bc28cf1e5cd61edb102ac3096340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.958157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066623/publication.md
observed 8883e2b1d969952b6d85e19c4ab8f0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.920858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066623/publication.txt
observed 23f752bc9bff2190c2fcab5f91ad817b...
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.