OpenTechnical

OT-2026-000019054

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000019054) never changes.

Identity and time

Publication numberOT-2026-000019054 · never reused
Internal UUID01a0ae6e-d523-79fb-9ae7-00fdbe52567e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019054
StatusPUBLIC

Content hashes

Canonical textc4edecf459cbc2f3f1b767d70d1d1ec48a2aceb314f0f7a28bb46d702d2e69eb
Markdownaa7d65343c7e12aee932195f9ab1207f00120f0c25ac5b735417035110bbb5f0
PDF
Publication pagedad1a0367503ef620d76f451feda55dfab991bdc95b8616d48f465038465a940
Manifeste5b8e3344fada7caa3eeca167e4134066f8f2d05d9aa01b73401f7c08495d08e

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
SignatureUjbFhws7/vWA2/Yc6XMoriMhjiLWFll70b8Mqai60zuKyRetOD8bAMcXxbBwoQUxWpAVLonTGXSBBdecO2XMDQ==
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

2026-09-17T11:59:44.998996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019054
observed dad1a0367503ef620d76f451feda55df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.978370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019054/manifest.json
observed e5b8e3344fada7caa3eeca167e413406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.959490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019054/publication.md
observed aa7d65343c7e12aee932195f9ab1207f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.940042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019054/publication.txt
observed c4edecf459cbc2f3f1b767d70d1d1ec4...
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.