OpenTechnical

OT-2026-000012844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000012844) never changes.

Identity and time

Publication numberOT-2026-000012844 · never reused
Internal UUID01a0ae6d-5563-7991-b282-5d1a13c78237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012844
StatusPUBLIC

Content hashes

Canonical textdf0ab4963750a29496223bc8d3ca8633b0b1839287e7266cad5a9fe38d8d010b
Markdown224cfc9885dfb96d579e888125fd196787d952c95c6817368d58f298a5ed25b9
PDF
Publication page9dd099f499086afcc0f680cf0c1d9249907a3cc21e5adff4ed5c8204378816ad
Manifest3d464d506088d99d996bcd3ccc189ef7665de07c4e262a63e5050d38e43c46a3

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
SignaturexRn2ZR26/4znQSlawlhQDIOROWpbfnEwb6wyQIRyCDD7VaDRbhA4E/vuB9Q72PEZMvCEae8gkolIbYKp5Jm9AA==
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

2026-09-17T12:10:36.743994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012844
observed 9dd099f499086afcc0f680cf0c1d9249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.725616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012844/manifest.json
observed 3d464d506088d99d996bcd3ccc189ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.708194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012844/publication.md
observed 224cfc9885dfb96d579e888125fd1967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.689151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012844/publication.txt
observed df0ab4963750a29496223bc8d3ca8633...
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.