OpenTechnical

OT-2026-000028465

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000028465) never changes.

Identity and time

Publication numberOT-2026-000028465 · never reused
Internal UUID01a0ae72-e2f6-799b-bd7b-a6df74ba67b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028465
StatusPUBLIC

Content hashes

Canonical textaf26ee9dc222aa85deb956391f2430baecfa0bcc608931b06c2bced5ebd1354f
Markdowna0530480c900688ab3e71b66ccd5285cc71c12fae0973d7e099135859b28e640
PDF
Publication page2605a2ebf3a9af4adbe59e405fe89ee6beb5e1a1ed0b4b54c2d70d6d841061b0
Manifestb52cb26854c03bd3c04c0c2c992cebd7f78745a2744b7fb339c455ad11ef75c8

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
SignatureMLf+qm48YpSlF3cyAblFjPACrkdMBwiX2Blr9+hCo+kvf8Z0eUJf4uilQ1bhB+Ab8IKerKlWkUBNpYyVr11cCA==
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

2026-09-17T11:40:36.458205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028465
observed 2605a2ebf3a9af4adbe59e405fe89ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.440922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028465/manifest.json
observed b52cb26854c03bd3c04c0c2c992cebd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.415772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028465/publication.md
observed a0530480c900688ab3e71b66ccd5285c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.399462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028465/publication.txt
observed af26ee9dc222aa85deb956391f2430ba...
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.