OpenTechnical

OT-2026-000020065

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000020065) never changes.

Identity and time

Publication numberOT-2026-000020065 · never reused
Internal UUID01a0ae6f-1fb8-7ca7-9649-f642c4a6fd59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020065
StatusPUBLIC

Content hashes

Canonical text5eed4ca414330f1ba8112ee1e160ba3baeb8347a8a8dbb2256c00e9b4400b79a
Markdown50a0e724250c35571f3420cc5d25cbac7602f2ec5bd716f49e1a8caff5c3367c
PDF
Publication page7c438f660235865471bdcd425515f10c7e15fcc543c8d25d46e1921955f1e20d
Manifest51e76489e872292076c48f8261ceac10c5df11c58ace3258665d017e30fd20b0

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
SignatureWrQf98KOGPDCcIQdQRzJZXeFS/V9WTGFT5GODF8hWUarkPdYS/r3J99OmsA6hEt0d/RR4QH6ilNFQZclHBFHBQ==
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

2026-09-17T11:58:20.379275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020065
observed 7c438f660235865471bdcd425515f10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.361105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020065/manifest.json
observed 51e76489e872292076c48f8261ceac10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.342093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020065/publication.md
observed 50a0e724250c35571f3420cc5d25cbac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.325035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020065/publication.txt
observed 5eed4ca414330f1ba8112ee1e160ba3b...
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.