OpenTechnical

OT-2026-000042189

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, sustained 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-2026-000042189) never changes.

Identity and time

Publication numberOT-2026-000042189 · never reused
Internal UUID01a0ae7a-5d72-79a2-9879-90c517a9d431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042189
StatusPUBLIC

Content hashes

Canonical text9b2a25723097c5722539f64a30a4d3c60ec3791bb85a7f1d603c317c04698966
Markdown11812eb8b5050f54ebfd14c4f21bf9bcd50fde4167cf40fd41614dd3e61c0012
PDF
Publication page94875bcc69f09775f27400114dc7e878b902f3b1e0170c351d515082a1db2bdc
Manifest78d8c89df1fd638d9259877acb283e8eec36162396b361332573188e5cf6daf2

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
Signatureyqs4KOEoxY8t1Uxm3iTxJG8e8tISavCDPa5v+0JOVS1YG3Xbu3CmCMdlp7CAOuWq8YjkGPY+UkzPA9U+s7CcBg==
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

2026-09-17T11:15:51.143868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042189
observed 94875bcc69f09775f27400114dc7e878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.122971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042189/manifest.json
observed 78d8c89df1fd638d9259877acb283e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.103135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042189/publication.md
observed 11812eb8b5050f54ebfd14c4f21bf9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.083996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042189/publication.txt
observed 9b2a25723097c5722539f64a30a4d3c6...
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.