OpenTechnical

OT-2026-000034036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000034036) never changes.

Identity and time

Publication numberOT-2026-000034036 · never reused
Internal UUID01a0ae75-df0c-7d57-9175-ba6b2820817c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034036
StatusPUBLIC

Content hashes

Canonical texta21b0e3dc57e9f54c683eb293f4b63b6ef79b4fca622271394e9f67d051b88e3
Markdown140960f22241d6040e3b907bea32032eed8571db289a7f1cb36a44a52cf47604
PDF
Publication pageed613e5cd6dbf695f77fe1c482987b04ad6418157e61a93a6063d7d4f8102761
Manifest6dec132857407b7ace2840d32ba8c1d69dea037d4b64d3426b892599a6ee55c9

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
SignatureqnLN2hUkRKV6DNVOU7uKMXwHZNqCRE5SbgsX7jB7pjyXiyO4uFHXsUirs4JkXVkRJ5I/5vrv7N/zrtc1LJdcAA==
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

2026-09-17T11:30:16.077464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034036
observed ed613e5cd6dbf695f77fe1c482987b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.056475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034036/manifest.json
observed 6dec132857407b7ace2840d32ba8c1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.037886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034036/publication.md
observed 140960f22241d6040e3b907bea32032e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.019405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034036/publication.txt
observed a21b0e3dc57e9f54c683eb293f4b63b6...
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.