OpenTechnical

OT-2026-000015698

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000015698) never changes.

Identity and time

Publication numberOT-2026-000015698 · never reused
Internal UUID01a0ae6e-0c4b-71ab-8dba-2d56a910d63e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015698
StatusPUBLIC

Content hashes

Canonical text8df76adb93436924cba6f4c125e611075bfcca510ce19f13027bb9fa84f3379a
Markdown1c0a552fc4f565e53bf16c987e344b6c7de4c03a83e13586d567144372927b67
PDF
Publication page1a6af54d08b690be11b904dab33d73beb9c022a4d4e2dfc2ecbaecc8780dc0e1
Manifest9c24339312538618388ee416050ca8870d82e6ec89bce913cf3e14274ab71332

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
Signature1tzKMWWscuGpqnB/aoF1a41QdtlWyOP+9IO3g/R8/I2sm4dVy6aPzo5ZSn9Vni5SlvVRymCKNKCqb4k09Ol5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:58.565087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015698
observed 1a6af54d08b690be11b904dab33d73be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.548123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015698/manifest.json
observed 9c24339312538618388ee416050ca887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.521731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015698/publication.md
observed 1c0a552fc4f565e53bf16c987e344b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.504549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015698/publication.txt
observed 8df76adb93436924cba6f4c125e61107...
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.