OpenTechnical

OT-2026-000092406

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line 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-2026-000092406) never changes.

Identity and time

Publication numberOT-2026-000092406 · never reused
Internal UUID01a0ae9d-b5fc-790c-afef-6f9cc924c837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092406
StatusPUBLIC

Content hashes

Canonical textbb75304a4aaf42b3cb3831c2ef4d67ea00a37632e6b3462c9b09e36c3dce5747
Markdownc9eb7fcd8507a0c365dfd2f3217951a054f8407a33623dacf65597475bbf4568
PDF
Publication page83d10e6b3b932e77fb309b9b557f379fa954582c50a93053eb53fe4c7ee5a85d
Manifest36f79e7c6ee8d77c4336899e7748e0807f307dc4e5ff5d7ab34f0972c1f90f88

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
SignatureaAgyp3nyCDDN6BykF+ahFWaY0WZ5qFxSB8QaBuD9UovBdATKIwP0scYnJZhW9hrsh/NxaM81RBcdM/CDgJilAw==
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

2026-09-17T09:40:57.340920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092406
observed 83d10e6b3b932e77fb309b9b557f379f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.322792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092406/manifest.json
observed 36f79e7c6ee8d77c4336899e7748e080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.304792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092406/publication.md
observed c9eb7fcd8507a0c365dfd2f3217951a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.286147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092406/publication.txt
observed bb75304a4aaf42b3cb3831c2ef4d67ea...
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.