OpenTechnical

OT-2026-000005520

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, ejector fed, vented 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-2026-000005520) never changes.

Identity and time

Publication numberOT-2026-000005520 · never reused
Internal UUID01a0a93b-bf4e-7b5d-96ea-ff5d1d264ffe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:00.241669Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005520
StatusPUBLIC

Content hashes

Canonical text315676a681ecdc01068d6db06a3aa32605257d65132da8b1a4d6f7b8e88e2180
Markdownb8c71a75d9965764e91952b68c4457132c39c355720bb266a5fa9df0fd23b04f
PDF
Publication page95d3936430565f21ad918157def9306113f1579c4bf389865dd40f09dded4b2b
Manifest0f6290faeae4767cf6623317ed81c7e8849a972066d9c6e8a7bf78a706d10932

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
Signaturexmrvj5+Fq37CZZGveDUfGoLykzXzo64JHLljZoamqHNMcbC2gUGRc2XoWvjVgmKac6QYZ6hLHPSKwXuCxGoLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:31.123134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005520
observed 95d3936430565f21ad918157def93061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.984893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005520/manifest.json
observed 0f6290faeae4767cf6623317ed81c7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.968423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005520/publication.md
observed b8c71a75d9965764e91952b68c445713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.955607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005520/publication.txt
observed 315676a681ecdc01068d6db06a3aa326...
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.