OpenTechnical

OT-2026-000084249

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained blow-off before 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-2026-000084249) never changes.

Identity and time

Publication numberOT-2026-000084249 · never reused
Internal UUID01a0ae98-5b60-7d08-93bf-5d6747a7758b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084249
StatusPUBLIC

Content hashes

Canonical text4f0ee5c7059338fc1d0211f360798f858a86d8578b65e7d8dd8d68b65ac34cc2
Markdowne79d220f11d4e257298a61f6c08431cb708542b6b41c4c7edefb7f689d68f064
PDF
Publication page235a1519377e1d2cbaf59ba9dca45ae9c5bf20cd922457ccd5a206c9e3541935
Manifest2cf1660ee9605b357bc064c16e092ef4067df7e65eb4080c6ed7bf2ad4b45b0c

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
Signature3latoqDPmR7VTw9MjYiaIravVFmwvuHirdeBBBUEK7uIFIt/NpM9AN92nc5AGUKJ+zmDFlHCXkQ1fIdH3u0OBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:09.383846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084249
observed 235a1519377e1d2cbaf59ba9dca45ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.364809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084249/manifest.json
observed 2cf1660ee9605b357bc064c16e092ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.345588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084249/publication.md
observed e79d220f11d4e257298a61f6c08431cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.324492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084249/publication.txt
observed 4f0ee5c7059338fc1d0211f360798f85...
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.