OpenTechnical

OT-2026-000087190

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000087190) never changes.

Identity and time

Publication numberOT-2026-000087190 · never reused
Internal UUID01a0ae9a-9f2e-7a14-96cd-7421f750bd59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087190
StatusPUBLIC

Content hashes

Canonical text5ea7ea666b9e24de0406367cfd594502839e54611bfb9e630e778d67cdeb7d69
Markdown79601b300b1064808a8816807bcad73d567b99082653c2f4faf09062d4c9147d
PDF
Publication page1ef424e846be13ab91151384046e31bf511411ed344017946c94d9eabfab5653
Manifestc1e60edbc69732314fd7acf6073051fdb414df969cc20f72806ee63f85bc2e38

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
SignatureCSYMoUQ6pZem7BzXk9R7Q+2bEY1m78oKWNre0GMtGm639x99a7eWxo/Rc2CZCJtg1EKXaA4hJ3JmTQTd5kvXAg==
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

2026-09-17T09:51:27.916057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087190
observed 1ef424e846be13ab91151384046e31bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.898889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087190/manifest.json
observed c1e60edbc69732314fd7acf6073051fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.879930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087190/publication.md
observed 79601b300b1064808a8816807bcad73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.859617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087190/publication.txt
observed 5ea7ea666b9e24de0406367cfd594502...
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.