OpenTechnical

OT-2026-000042290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000042290) never changes.

Identity and time

Publication numberOT-2026-000042290 · never reused
Internal UUID01a0ae7a-5d73-7599-a3d6-6ba8f4d840e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042290
StatusPUBLIC

Content hashes

Canonical text61d8ffdf0d4e1881c62ae8167347c79c39288cf3fb37ffbf32c2fbed1e117c2c
Markdown0f7022b4f6061111a34e9a554cfb118966b871b23c839c1d331bc5e5563a7431
PDF
Publication pagec1beb48a2749decf518be57b0889dbc00938609fdcfd41a3fbeb2fc3325b04ac
Manifest38953206da384523efd19edf82af7e1ee53edf691fc730a2ef0dc9d2653570bc

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
SignaturecQ2Rqy4/68KFkdbKec5KF0jaWRdd6Moxc5GvXd0hNXOgtq5inbo+H2bkq5+vTra/WnefdJTc3LOgBpcDCRplDg==
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

2026-09-17T11:15:59.102924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042290
observed c1beb48a2749decf518be57b0889dbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.085325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042290/manifest.json
observed 38953206da384523efd19edf82af7e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.067245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042290/publication.md
observed 0f7022b4f6061111a34e9a554cfb1189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.048426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042290/publication.txt
observed 61d8ffdf0d4e1881c62ae8167347c79c...
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.