OpenTechnical

OT-2026-000089097

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000089097) never changes.

Identity and time

Publication numberOT-2026-000089097 · never reused
Internal UUID01a0ae9b-daff-7502-887d-4ce079ab0fdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089097
StatusPUBLIC

Content hashes

Canonical text2bfc27e26b2d41e8489dcc0b9064f6be27cecd5b52a33d0f71baa16a76ac2021
Markdown08080dc576845938b8900a76df495bcd05a51a2612830442c70a08382fb46e3e
PDF
Publication page3a6d1c74baad468c99c673ba58a33a9c9fb30e4c661e789781225f7d80f48eea
Manifestf4227a61dca17eb0f9a770b23fda4d43bc07735229c9fc987daa999f566fe275

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
SignaturerV2gEJv5JT9fHvqtMdim1uQ5K4np4/SRjGqxJxx6ZQaJe4pM1Xk86l5h/Lefik8Ym6EReEL4onmMd+Cb4SPzBg==
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

2026-09-17T09:47:00.302474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089097
observed 3a6d1c74baad468c99c673ba58a33a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.284835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089097/manifest.json
observed f4227a61dca17eb0f9a770b23fda4d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.267260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089097/publication.md
observed 08080dc576845938b8900a76df495bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.251638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089097/publication.txt
observed 2bfc27e26b2d41e8489dcc0b9064f6be...
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.