OpenTechnical

OT-2026-000089409

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089409) never changes.

Identity and time

Publication numberOT-2026-000089409 · never reused
Internal UUID01a0ae9b-db01-7bc9-9c5c-3077cef17486 · 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-2026-000089409
StatusPUBLIC

Content hashes

Canonical textd3537ced382b710110b302b34ee7a4a8052d250f9ab57aef20400bc182ec1c04
Markdownf00d95f3d55fe3760cceb4482306548714333c60da1998dc0b4976c8c4618739
PDF
Publication page085f277198176797776f9c8c237b5b8aace049446c893d0897c84ae7bc683021
Manifest3b499ddb058934f2b0f182029c55b38d49c06cdf7f553a3e6f8a4d900afa6e4e

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
Signature+3o9gt39N3DXLc+13qW1WBwMkpH5zHFpUF2dFrigjkvhjC50zDowwDHdhYpBBS/xw1Ib/M/AUQtCdSVtITxhDg==
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

2026-09-17T09:47:33.034907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089409
observed 085f277198176797776f9c8c237b5b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.019004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089409/manifest.json
observed 3b499ddb058934f2b0f182029c55b38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.002869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089409/publication.md
observed f00d95f3d55fe3760cceb44823065487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.984693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089409/publication.txt
observed d3537ced382b710110b302b34ee7a4a8...
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.