OpenTechnical

OT-2026-000019013

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000019013) never changes.

Identity and time

Publication numberOT-2026-000019013 · never reused
Internal UUID01a0ae6e-d523-750d-8435-7608c8eb9a03 · 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-2026-000019013
StatusPUBLIC

Content hashes

Canonical text3e75568dd5af6ff3d892369c4575a462546f10baabe7eb2416dda14423abbfea
Markdown876d93c75c910f1a83cbfd0621219bc457ab685316aa42d836d3583d7f6855c3
PDF
Publication page848fb1a2d93020dd2be5c715e421cf5cf81a1cad0e0e57a6eb1cfa8e784a52df
Manifestb307253ce602af4f23e4a76bcc0a1384d6d01edd22289ed22e25ce064c898b0a

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
SignatureiTt2qDB6J2/+3yuqBmZ2muFiauivzoFlVbt/T+po6zP+scKKUujTAdA13avolBszU1yaG37bv5gfMq9aprc6BQ==
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

2026-09-17T11:59:42.102582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019013
observed 848fb1a2d93020dd2be5c715e421cf5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.086456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019013/manifest.json
observed b307253ce602af4f23e4a76bcc0a1384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.069607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019013/publication.md
observed 876d93c75c910f1a83cbfd0621219bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.051046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019013/publication.txt
observed 3e75568dd5af6ff3d892369c4575a462...
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.