OpenTechnical

OT-2026-000087781

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087781) never changes.

Identity and time

Publication numberOT-2026-000087781 · never reused
Internal UUID01a0ae9b-1aa4-7175-b2a4-cf3ad7b5b7de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087781
StatusPUBLIC

Content hashes

Canonical texte4843794356b98c109f8125e5130c11dd14f5520761677b1bbb9be5bd5033e02
Markdown7c87815e3860b7765eff6c4c004472b15ab5271c49512e7493f03bfda030dc75
PDF
Publication page87b4147a04ef969848021ce64dbafdd8795d204c899d80746ff79d27ec1ecd30
Manifest242491234448400cded446a7882381f25ad2c986658900cae4a62c5585a4a5fa

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
Signature9y9TZNkWjdSZ7l5ShZ9KjHxXNbbPr5dliRzxgtJWupw7j1RC95DWdakWIczIIBuIoMfB26qqr1sR9lm3h/ZAAw==
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

2026-09-17T09:48:59.269417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087781
observed 87b4147a04ef969848021ce64dbafdd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.251855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087781/manifest.json
observed 242491234448400cded446a7882381f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.233574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087781/publication.md
observed 7c87815e3860b7765eff6c4c004472b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.213618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087781/publication.txt
observed e4843794356b98c109f8125e5130c11d...
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.