OpenTechnical

OT-2026-000081850

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081850) never changes.

Identity and time

Publication numberOT-2026-000081850 · never reused
Internal UUID01a0ae97-0f75-734e-b252-87031ab0ac0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081850
StatusPUBLIC

Content hashes

Canonical text692ad3ab151350d6f3eb7fb268e9fa5abf3f6893e19403c8ab457ebd9e7e2d26
Markdown19b37eb7a394801647c1ee78fad88e3a75cd8d493afb5a94b9f30a5a08e91845
PDF
Publication page1b7fe67472b8688871c6981b660eaa2308aaad969fe4025298b5a5b52b9ee9c4
Manifest263a9b185a226944b51aea549aa4b3d2514b46f6de298f01f0ca2fc5377a7b50

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
SignatureoLIBWfbinIuX7zvJMc1wJfqaHmK0G4bmoFEFHEvRTLoPaMZEbgnPGoSMG8FJ1kN5yIOt3pnGTFUc+UB2ZRflDA==
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

2026-09-17T10:00:57.839367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081850
observed 1b7fe67472b8688871c6981b660eaa23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.817134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081850/manifest.json
observed 263a9b185a226944b51aea549aa4b3d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.797827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081850/publication.md
observed 19b37eb7a394801647c1ee78fad88e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.778511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081850/publication.txt
observed 692ad3ab151350d6f3eb7fb268e9fa5a...
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.