OpenTechnical

OT-2026-000005202

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, vented after set down, rubber cups

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-2026-000005202) never changes.

Identity and time

Publication numberOT-2026-000005202 · never reused
Internal UUID01a0a931-2415-7b49-9d20-ef0f41a9167a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:25.143646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005202
StatusPUBLIC

Content hashes

Canonical text2d063edd26bcc6ea8d8432f28d46ea0fa621b04b46316f9be482a61f54deb74d
Markdown1818a382320a73294957f0443799c5ea322e281bef877bac813f65d9a1633ba7
PDF
Publication paged9698755f5cc1bf87de40918b7172f1e2fdff50f6ee57addd557faf519f01fcb
Manifesta43fffb16602be85cf9b63b262909f05239b4e3f585f0ab2666a023508d3e02e

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
SignatureNysNbpYxdLtvTFz+ahV8IEJyuSDlfN3FkWos3DoTMZxq65X9o+6tfbeKkno6QkvlwbmxmsIvOaEakv1ws5LSAA==
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

2026-09-16T07:50:04.205895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005202
observed d9698755f5cc1bf87de40918b7172f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.194062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005202/manifest.json
observed a43fffb16602be85cf9b63b262909f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.181734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005202/publication.md
observed 1818a382320a73294957f0443799c5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.169438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005202/publication.txt
observed 2d063edd26bcc6ea8d8432f28d46ea0f...
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.