OpenTechnical

OT-2026-000082519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000082519) never changes.

Identity and time

Publication numberOT-2026-000082519 · never reused
Internal UUID01a0ae97-8cc7-7de9-a488-796f5b5605f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082519
StatusPUBLIC

Content hashes

Canonical text7afc768e547e407127f4c07c306bdb31f582c12e1bc3a8feef67578cd012ae89
Markdown2e1b332b1fa55aeddd00a682e46ca6b057f370f836b370ec59149b262834433f
PDF
Publication page0301f61405d6bacbe78ace685626f507f8dbd7c3fdc04a37f8c401096624331c
Manifesta50b66dfc50ba2a1028cb49fda9bdcfb08cf765fa27065c538b8316a95fb90f5

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
SignatureMdCfdFTOyxg7SpoYx6OHzzZ74jN/SS09/SDXOQOl6KAYocpug9K774Myt6glavaOFjY8x9mHbnfBNpzdkkfiDA==
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

2026-09-17T09:57:57.086484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082519
observed 0301f61405d6bacbe78ace685626f507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.070567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082519/manifest.json
observed a50b66dfc50ba2a1028cb49fda9bdcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.054617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082519/publication.md
observed 2e1b332b1fa55aeddd00a682e46ca6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.040203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082519/publication.txt
observed 7afc768e547e407127f4c07c306bdb31...
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.