OpenTechnical

OT-2026-000031086

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000031086) never changes.

Identity and time

Publication numberOT-2026-000031086 · never reused
Internal UUID01a0ae74-3fb8-7818-a18f-539b9f1bcb19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031086
StatusPUBLIC

Content hashes

Canonical textf2676c4b7c26b2f8c4898048a0f274ef1e241742c4243557599c4e91262f324f
Markdownc8babb8cf54870da3ac323072db2f8378efdd4cd86afcfe7afeb2aac471d655f
PDF
Publication page0e041f6f498c83deb02dc4ebb713e002baf0d2a82680623faa2b064224252149
Manifest4dd2274f3522e3722a0ea80fcc0714f8361aad61944ee4f751fff679d0665d00

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
SignaturecX3jcC9HCQjrs0t7zLiUrQppbRHaOmcW5wmCUsb5ZEd+Og9wV89yJH5tTRz0tcWyG7sVVkM20C8QuqXl4MiiBw==
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

2026-09-17T11:36:27.531869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031086
observed 0e041f6f498c83deb02dc4ebb713e002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.512442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031086/manifest.json
observed 4dd2274f3522e3722a0ea80fcc0714f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.494699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031086/publication.md
observed c8babb8cf54870da3ac323072db2f837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.474372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031086/publication.txt
observed f2676c4b7c26b2f8c4898048a0f274ef...
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.