OpenTechnical

OT-2026-000042676

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042676) never changes.

Identity and time

Publication numberOT-2026-000042676 · never reused
Internal UUID01a0ae7a-c0cf-7cf9-a09a-c9aec127d544 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042676
StatusPUBLIC

Content hashes

Canonical text4394146fb4a4bedb2348c2c0a85a1d99d68e507d246321f97d72b753470efbe7
Markdownd9567f6a5d843ba07db39810736bec518be911b4ec5c4eb3497f66cd20363deb
PDF
Publication page641c233f2fd4cacf7e56b0ea14ec8d3a5b83e7b769b5a33f8de523ff1829a8cf
Manifest0339d85b900bdeff07338a2323add63f9c66b2e95a1dd877f6c1e18cf4e42dfe

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
SignatureKsiL7AhYIhyraLXlYuwZak1JF3c0XIN5ntI2UXXIemtyxIVf1ppibFheyWTiFfP8Ti90O+O0glwLcaRt/Y4zBA==
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

2026-09-17T11:15:01.630659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042676
observed 641c233f2fd4cacf7e56b0ea14ec8d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.611943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042676/manifest.json
observed 0339d85b900bdeff07338a2323add63f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.593047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042676/publication.md
observed d9567f6a5d843ba07db39810736bec51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.575020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042676/publication.txt
observed 4394146fb4a4bedb2348c2c0a85a1d99...
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.