OpenTechnical

OT-2026-000034100

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000034100) never changes.

Identity and time

Publication numberOT-2026-000034100 · never reused
Internal UUID01a0ae75-df0c-73ee-90cf-d23771141eae · 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-2026-000034100
StatusPUBLIC

Content hashes

Canonical text3d90fe41e06174a4a2839829e5f5793e7f6c7848419a3b517eacb9e4699a203c
Markdown9a8a84947f4bfda525902773ed79a7e6ea7bb7f40955ce8fbb9f22e51cdc61b9
PDF
Publication page6c35007559737e842cd0f5f71d49790031a561e4a44b48bca290fb3f9c29e9f3
Manifest60a1a9a43b1c3e7a2e1083e0916e02938324ec5b98ca0ad2eb85de3efaff4331

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
SignatureE2vpA94zQWQUnJ7Jj2Fygg/rbXZ4zrTod/tbKlHgjB7IYoUoh1Ssl79KrZDpRXiubSc+mkMWRPvl6Bl94eFvBA==
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

2026-09-17T11:30:28.826233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034100
observed 6c35007559737e842cd0f5f71d497900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.809182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034100/manifest.json
observed 60a1a9a43b1c3e7a2e1083e0916e0293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.792172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034100/publication.md
observed 9a8a84947f4bfda525902773ed79a7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:28.768575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034100/publication.txt
observed 3d90fe41e06174a4a2839829e5f5793e...
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.