OpenTechnical

OT-2026-000025783

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000025783) never changes.

Identity and time

Publication numberOT-2026-000025783 · never reused
Internal UUID01a0ae71-a83e-7aee-86e6-a68f19d8a661 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025783
StatusPUBLIC

Content hashes

Canonical textc250c760a01dd2ff809065d0180d3517ef782c27b6e50188a4714b4681d0a769
Markdown272a9d62e26d59aead41354b35f017287cd929e5a6b05d4e16dd2a808aa2673a
PDF
Publication page56a44d59738b34e01b1fbac483774e7738fc6bf0464a4da3b40d2058c5bb9363
Manifest0563365f9bfb0dc71755573b74f81597afa9412e8def6411d1077894626edcb1

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
Signature9FsVc7yzUneXUTwuu7hjSwIhRl2gHLEFwsGg6muDL+EI7GikXI7N9pU7bSRAUdTdDag24/H72HISODVF0bs5BQ==
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

2026-09-17T11:45:59.107519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025783
observed 56a44d59738b34e01b1fbac483774e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.088969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025783/manifest.json
observed 0563365f9bfb0dc71755573b74f81597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.070566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025783/publication.md
observed 272a9d62e26d59aead41354b35f01728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.052008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025783/publication.txt
observed c250c760a01dd2ff809065d0180d3517...
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.