OpenTechnical

OT-2026-000041407

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000041407) never changes.

Identity and time

Publication numberOT-2026-000041407 · never reused
Internal UUID01a0ae79-b145-75a7-8c4c-fe288aa2f576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041407
StatusPUBLIC

Content hashes

Canonical text565d00b0709344680c48172f08839a118c13f72b4700a55bfe97ae65ef8ae18d
Markdown9c93bcc1a287baecfee195a08e0df442163d89c5a31e9e810ca8c0b11923a2d9
PDF
Publication page792a8b30a8be3de0296b0c41457745f71d486e335fe1a52b601c44032e9ca20f
Manifest79886b194129d970402290340e09f4ecaf0877cfcdf452c9acc7ed4e6eb86427

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
SignatureobSWx/Ct4ztBbnlwAv+Q9hMV1bVvpyuSUwACeHYCv1zC1I5GGvCv0j508KlRrcwAxSHQx3v1KGC9OBOTym5bBA==
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

2026-09-17T11:17:25.258364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041407
observed 792a8b30a8be3de0296b0c41457745f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.240967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041407/manifest.json
observed 79886b194129d970402290340e09f4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.223580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041407/publication.md
observed 9c93bcc1a287baecfee195a08e0df442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.205958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041407/publication.txt
observed 565d00b0709344680c48172f08839a11...
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.