OpenTechnical

OT-2026-000053621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000053621) never changes.

Identity and time

Publication numberOT-2026-000053621 · never reused
Internal UUID01a0ae85-0a95-7a47-88fd-f4a85898dc75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053621
StatusPUBLIC

Content hashes

Canonical texte611b446429d588ce60f161e4bddc31accb75eb52680ba34b0c21495cbaad48d
Markdown9eabc6db95dd4032cc1fadcaa1e54656a85fe9321ec247d8c6af981b2da250e5
PDF
Publication page3aea5c9f3cebc68ce549a435f8b34c00c55b00682b7d40491b97a4fbbaf3b7b8
Manifest5f0ed6ee941b2d1845bcabe85a9cb4f10282a61f7a1693cceb77cfecd8cab4b0

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
Signaturegs2JwsFVhULjt+LgslK8M68twQu+ISqu8NXzeTGomUXUIJG7e+Va82XoTWxc6aO8ozq+eM1hQBBTMszZrBQ2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:29.983611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053621
observed 3aea5c9f3cebc68ce549a435f8b34c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.965938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053621/manifest.json
observed 5f0ed6ee941b2d1845bcabe85a9cb4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.946050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053621/publication.md
observed 9eabc6db95dd4032cc1fadcaa1e54656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.927345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053621/publication.txt
observed e611b446429d588ce60f161e4bddc31a...
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.