OpenTechnical

OT-2026-000003701

Publication integrity record

Vacuum cup gripper, per zone isolation, pump fed, rubber cups, oval form

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-2026-000003701) never changes.

Identity and time

Publication numberOT-2026-000003701 · never reused
Internal UUID01a0a90a-c960-75d3-96a6-1c1e1937cd0f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:31.554617Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003701
StatusPUBLIC

Content hashes

Canonical texte700576ef6ce36ef5e0ddd7f8f911a7960885a4d1f4d4843e732ce8e89bab00d
Markdownab0f5852e657da834af448f00e39786eabfb747b1a2298d9b72307b4d2586c04
PDF
Publication page7bcb81700a84f037320a3dca3e56a440f9b5b317ee01e21f3a54be1c12a5f8fb
Manifest7d69eb403f6e3198f51cf457c6f96771175df31537364e8f96a7133313d0d3dd

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
SignatureEOQWr2bCoR5pYjPQdzZuukG6PyFT9pZoeGto/PdT1srcWBC2WdSZ6GD4+dFrU1mvJLt2Y4FfotLUfkun7AtHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:36.946231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003701
observed 7bcb81700a84f037320a3dca3e56a440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:36.933113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003701/manifest.json
observed 7d69eb403f6e3198f51cf457c6f96771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:36.915918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003701/publication.md
observed ab0f5852e657da834af448f00e39786e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:36.874893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003701/publication.txt
observed e700576ef6ce36ef5e0ddd7f8f911a79...
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.