OpenTechnical

OT-2026-000077518

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented after 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-2026-000077518) never changes.

Identity and time

Publication numberOT-2026-000077518 · never reused
Internal UUID01a0ae94-f50a-7e0d-a23d-25cbab9c49ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077518
StatusPUBLIC

Content hashes

Canonical text6caa7c346bd2af9ba3dfd24110558d5b0fc4e83d015dcac4285be0b9cb9d4e58
Markdowne61692317ba379f82c6418d4098ebd50656b13e0078092f04872a22cfe8c1094
PDF
Publication page9af281dc19764000bfe9334ed37082ae305afd60eccef0d414d7ecb6551979dd
Manifest2008c6b0ac3f90463c675a02e0d9442b788b7bada5fc1ba405e3b7524ce4e7ea

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
SignatureACiZqaBdt4kqs9HkVRGdNsPB48J4nrv8E12tr9lghBcIItmldwDY082NOhjfZGgfUKgimsvyPo7D6wlr0HvhDg==
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

2026-09-17T10:09:12.675748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077518
observed 9af281dc19764000bfe9334ed37082ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:12.658011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077518/manifest.json
observed 2008c6b0ac3f90463c675a02e0d9442b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:12.641191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077518/publication.md
observed e61692317ba379f82c6418d4098ebd50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:12.622714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077518/publication.txt
observed 6caa7c346bd2af9ba3dfd24110558d5b...
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.