OpenTechnical

OT-2026-000018186

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000018186) never changes.

Identity and time

Publication numberOT-2026-000018186 · never reused
Internal UUID01a0ae6e-b488-744b-868f-671dc3f1e735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018186
StatusPUBLIC

Content hashes

Canonical textbbad014a9d22558aaf80242c2c6fb564c56be3b751dd469bea99d9a0455dc40a
Markdownf8c8747281ef9b6fae7686379f7f682065d580acabf27b573b89be2bab2babc3
PDF
Publication page6edfa7e9f32dedb56ff1793c0ee72d447e58a9e2527697ded77dbe3e92506a47
Manifestb05967d2671f632ff3f0d1170e1823a1bc4e7ba27271ce7be3a89bdd9cf54759

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
Signature44vmo/CC/gQOik3vSneHBt54CohQaytiBvt7EBDyId1Ulyeokua1s7FWFDrHJSMlGpRvqL66IOk130OjGbYZBg==
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

2026-09-17T11:59:57.921936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018186
observed 6edfa7e9f32dedb56ff1793c0ee72d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.902690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018186/manifest.json
observed b05967d2671f632ff3f0d1170e1823a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.883917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018186/publication.md
observed f8c8747281ef9b6fae7686379f7f6820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.864735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018186/publication.txt
observed bbad014a9d22558aaf80242c2c6fb564...
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.