OpenTechnical

OT-2026-000042018

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000042018) never changes.

Identity and time

Publication numberOT-2026-000042018 · never reused
Internal UUID01a0ae7a-5d70-74e6-9d42-c964f364f3e0 · 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-2026-000042018
StatusPUBLIC

Content hashes

Canonical text97a182bf50a79f840b179948f8890811b9a9963151537a6eef4ff90d58507211
Markdown6f3b39cf5797231a46da76680e10736c7eb2d4701ac2f06c9f251d35e66ba78a
PDF
Publication pagec7b8095492da8e900c98e793faeeae30ee78c21333665faa06443b8ed40a7066
Manifesta57839fff543af5b31aa1490b417d364ac09d01f27cd6a5cfbd53c81704969b1

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
SignatureIy+30/nJcZWsv4+YKvevyvqKJAEPyeoKa99+8zo/nJIf/xuu9vfEInQXgBAC5y7VM5ifunDx5tiDnuHddH3KBA==
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

2026-09-17T11:15:31.286430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042018
observed c7b8095492da8e900c98e793faeeae30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:31.267368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042018/manifest.json
observed a57839fff543af5b31aa1490b417d364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:31.246822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042018/publication.md
observed 6f3b39cf5797231a46da76680e10736c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:31.227275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042018/publication.txt
observed 97a182bf50a79f840b179948f8890811...
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.