OpenTechnical

OT-2026-000045698

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000045698) never changes.

Identity and time

Publication numberOT-2026-000045698 · never reused
Internal UUID01a0ae7d-8f04-7c38-bf94-b4d055174ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045698
StatusPUBLIC

Content hashes

Canonical textfe672967ef06a2dacfdba917e5eb7930baaa6819e0a28b6a9ddeabc1780a663d
Markdowne4be374b28ed5490707549ebf71badc5196b46170bec58b426ed35a7d372a7ca
PDF
Publication page411174e9f0df80218426945cce4e1f159d8ab06e119eadcfef9153a748051700
Manifest44b04678fae877e7fda59874bfbeaf8abcf259aaaa8e61dc98e5f7f6a7ddf16a

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
SignaturewRRFFOSVzG8Z6U7Qc8yAzG4snBv5Hi2RUfM6T+vOGHsXzNL/jfMAFFDkDCfw0oO0/iV14Wf4ELu3ydfyY+PTBg==
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

2026-09-17T11:09:30.237963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045698
observed 411174e9f0df80218426945cce4e1f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.218382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045698/manifest.json
observed 44b04678fae877e7fda59874bfbeaf8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.197670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045698/publication.md
observed e4be374b28ed5490707549ebf71badc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.178944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045698/publication.txt
observed fe672967ef06a2dacfdba917e5eb7930...
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.