OpenTechnical

OT-2026-000074286

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074286) never changes.

Identity and time

Publication numberOT-2026-000074286 · never reused
Internal UUID01a0ae93-7178-7426-8d03-f552daec70a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074286
StatusPUBLIC

Content hashes

Canonical text231ae7e742808a5aed69d8cb168f688e2007c6fcd6db064d1325cb0f7a822271
Markdown87cd42d3d2a7b4464c672dc7ab1b728a181c394eef824e1da75967bbce698c44
PDF
Publication pagef53c603837f1b6762fad20d3db627282448b5386f787037d6377c92368de19f0
Manifest895766af5f0bfdf4c8e0d2f92d98d1b62569e5f03a16cd3d28d32c4b9b06ed60

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
SignatureLV6A2ES+A+T6bocrngbmGtsVCIYyQEhbFzuVJgNeCGwyWEaFlDk24qf73x79N+kFWnabvU1KVMkSGYqqPweQBg==
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

2026-09-17T10:19:11.702879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074286
observed f53c603837f1b6762fad20d3db627282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.684324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074286/manifest.json
observed 895766af5f0bfdf4c8e0d2f92d98d1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.666428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074286/publication.md
observed 87cd42d3d2a7b4464c672dc7ab1b728a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.647171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074286/publication.txt
observed 231ae7e742808a5aed69d8cb168f688e...
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.