OpenTechnical

OT-2026-000031314

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000031314) never changes.

Identity and time

Publication numberOT-2026-000031314 · never reused
Internal UUID01a0ae74-87ac-73d9-9c14-f2d6d1822336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031314
StatusPUBLIC

Content hashes

Canonical text73c2ca603ce1f15184d97d355ea916520adf2be83c181c8092109ec64924ccd4
Markdown05beabd31d6669d7a2d3b71d5de0740694abe11248fc8cebef208b567b2921ce
PDF
Publication page57bfdab6ffc546e4b872cd2c812da2a99692dc090bbb3e09e1aacbef8d37d761
Manifest9c4743eaa8948935b0356e283eb968af3c39f0b278510812d802fdf961b8407c

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
SignaturefTDekIwfqVMGG4SjHa7eZQbkcrbmemvqNwvANcxSNE/Caw1Y1MnQw4mjTd165RtYblmN8tBSm57e2dDBZyDDCw==
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

2026-09-17T11:36:00.146373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031314
observed 57bfdab6ffc546e4b872cd2c812da2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.127549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031314/manifest.json
observed 9c4743eaa8948935b0356e283eb968af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.109666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031314/publication.md
observed 05beabd31d6669d7a2d3b71d5de07406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.079368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031314/publication.txt
observed 73c2ca603ce1f15184d97d355ea91652...
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.