OpenTechnical

OT-2026-000028482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000028482) never changes.

Identity and time

Publication numberOT-2026-000028482 · never reused
Internal UUID01a0ae72-e2f7-736e-8be9-36514c76df9e · 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-2026-000028482
StatusPUBLIC

Content hashes

Canonical textccf1e434eb1c41328374f79b35351e4f791e1ab59024d6ae9fa29ecf20552987
Markdown4f6309247b8daccfd0677a4383868817ac32bc101396a8d2c004fa1671a3d3a0
PDF
Publication page19b4f35e4e773733ac9cb1e5ddaf46b3272e6151ee020f5a39eafccca592c6f7
Manifest8f7c3e1ed20f0e97fdd5eaf3dd19fd418be7287159bc60f0b46f0a502aac156c

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
SignatureZOis+Mj5Mok+Q2ptmbluNnMK0A/jT1/jysVcouuYJTkbrv6nzA1aaF0OZl/AOFJlW7lch5FAxkcHPTyzEAM2Bg==
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

2026-09-17T11:40:37.913961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028482
observed 19b4f35e4e773733ac9cb1e5ddaf46b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.895900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028482/manifest.json
observed 8f7c3e1ed20f0e97fdd5eaf3dd19fd41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.877281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028482/publication.md
observed 4f6309247b8daccfd0677a4383868817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.855938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028482/publication.txt
observed ccf1e434eb1c41328374f79b35351e4f...
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.