OpenTechnical

OT-2026-000034225

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000034225) never changes.

Identity and time

Publication numberOT-2026-000034225 · never reused
Internal UUID01a0ae75-df0d-7c1c-9a50-562f20063bd7 · 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-2026-000034225
StatusPUBLIC

Content hashes

Canonical textcf9393605935031d76b33127ae6d979c60a0738e5461f3e6e818bf3645c2589a
Markdownf80fbf0eac7580e0d8f3e705e983e174582a266969e1214ce00839aadd774d02
PDF
Publication pagef8ce8ef6970a71d3b6f101980044dcc096ad7d46350081054d9970c333660f63
Manifestf70decf4b8ae3865b6b865a80bdfbcee0aa6bfaf7243ecfcbd8777757a825944

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
Signaturev/BB/Lk2ytATFsiZ1Uy+GQWva2Rw9Qgdpt0Ersn7x2N5Ls+SF5wzcwxVmTWpczs4p67hvL+FgbrLgx+3+QFJCQ==
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

2026-09-17T11:30:46.559685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034225
observed f8ce8ef6970a71d3b6f101980044dcc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.539783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034225/manifest.json
observed f70decf4b8ae3865b6b865a80bdfbcee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.518647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034225/publication.md
observed f80fbf0eac7580e0d8f3e705e983e174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.498563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034225/publication.txt
observed cf9393605935031d76b33127ae6d979c...
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.