OpenTechnical

OT-2026-000022388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000022388) never changes.

Identity and time

Publication numberOT-2026-000022388 · never reused
Internal UUID01a0ae6f-f4fd-776e-88f9-be4bb3c57199 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022388
StatusPUBLIC

Content hashes

Canonical text4218171b69dcbc0fe570be20ff993374fdc9cca161fb449ae7d95a56360fcb55
Markdown79cf3d0a590682d050746c5945da520b4a982ef088d84f04b39a6a85f5912317
PDF
Publication page7b7a893854d7b5b2ec40ddf9b55ac4f210637d0e3f273fa71134783c8e963b6d
Manifest14afe39b74e079af3124b3d94918287d0f156b9d2c45cd716625d83ee0b2373e

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
SignaturePOZj2zz2HjyKjGC91uHxGeGAR5nPhK2pdYm6+UVt/3aGT0xuUCxLQxWjm3XiijNRwoqDzq3AwQuHQNPZP8o8AA==
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

2026-09-17T11:53:45.952647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022388
observed 7b7a893854d7b5b2ec40ddf9b55ac4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.934589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022388/manifest.json
observed 14afe39b74e079af3124b3d94918287d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.916233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022388/publication.md
observed 79cf3d0a590682d050746c5945da520b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.897712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022388/publication.txt
observed 4218171b69dcbc0fe570be20ff993374...
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.