OpenTechnical

OT-2026-000029208

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000029208) never changes.

Identity and time

Publication numberOT-2026-000029208 · never reused
Internal UUID01a0ae73-2aa0-7257-b24c-f9fae9727301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029208
StatusPUBLIC

Content hashes

Canonical text97c8096ade6963918d4fce45e23a46e8a902d965cfc1de9716dbcc70b0e1153d
Markdown05bad55e6975b423651d7c5797378cb4260b7cfce4cca84bdc8f763273f1ad61
PDF
Publication page3462bb941a9cde3daff78d9947e3e812ee1c8e8f4e64098e03c9ad4b41cd1ad4
Manifest169c4e6b5b85a97caae2d4a7304063a2eac3a7c512c3393d7694511ab60ecb6c

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
SignatureGNYjakA0aKfKR/cTiXZtUlZx3JZDDIgXkKni43SpMw1RJ03CIX8mSwdi1x4+XpUBi2Gv3KcEMcuV24jwUN1yCg==
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

2026-09-17T11:39:49.509708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029208
observed 3462bb941a9cde3daff78d9947e3e812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.493458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029208/manifest.json
observed 169c4e6b5b85a97caae2d4a7304063a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.475893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029208/publication.md
observed 05bad55e6975b423651d7c5797378cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.457941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029208/publication.txt
observed 97c8096ade6963918d4fce45e23a46e8...
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.