OpenTechnical

OT-2026-000033937

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033937) never changes.

Identity and time

Publication numberOT-2026-000033937 · never reused
Internal UUID01a0ae75-df0b-7310-86ef-3bff5e4467c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033937
StatusPUBLIC

Content hashes

Canonical text344a2b8fbe88776c57698e5c696f762d70bda4b5f808643564cee94857f9415e
Markdown2a9221e2e9b6c5b39ac6a581b0afec1b2ea8bce9e2a33a2ac4783c3b3cd12124
PDF
Publication page2d72ec22df6e9ca9dc8069bfb2391709f5d17daa5fcf827ea45b66688cb6661f
Manifestd56c97986cfec3ffd8a70df20de530ccad702bf5807609fc871a8d7da1b5ad87

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
Signature6GshEe4ElIMn9Fmju5x4IgroIq4ykqwce8ErW4C34UNZ7AzmXX1HtpUlx0Rjzty93D6Oi2W1//JOxS5vQ6OsBA==
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

2026-09-17T11:30:47.518105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937
observed 2d72ec22df6e9ca9dc8069bfb2391709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.501919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937/manifest.json
observed d56c97986cfec3ffd8a70df20de530cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.484033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937/publication.md
observed 2a9221e2e9b6c5b39ac6a581b0afec1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.466048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937/publication.txt
observed 344a2b8fbe88776c57698e5c696f762d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.467801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937
observed 2d72ec22df6e9ca9dc8069bfb2391709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.450413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937/manifest.json
observed d56c97986cfec3ffd8a70df20de530cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.433290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937/publication.md
observed 2a9221e2e9b6c5b39ac6a581b0afec1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.414211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033937/publication.txt
observed 344a2b8fbe88776c57698e5c696f762d...
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.