OpenTechnical

OT-2026-000045087

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045087) never changes.

Identity and time

Publication numberOT-2026-000045087 · never reused
Internal UUID01a0ae7c-f768-7e33-ad46-a13bf567ea9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045087
StatusPUBLIC

Content hashes

Canonical textcf66531e5b5028a1d3404ae445355bd9608a78f4ac3432c4017521c91a17410d
Markdown534b61b8c7bb17d87c65679f12e8ac8d0bcdeb65deb4e8449e985f7eb91c2dcd
PDF
Publication page8710ead95d032865fa612938457e524d5c1c0f312d2bcaad631836b6c89063e0
Manifest3e5634c69459d4e99e042b498f39ffc3ab32e3834e13dd5c896efd959d66b98e

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
SignaturevO66Iv3oUvSFYfTaOUdlDAqrFHRhdToYNqyrgXN/JGUqUhokHVDKlyj5Y58a7fVemOPYICXfZtXUUiCZOAPvAw==
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

2026-09-17T11:10:07.734094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045087
observed 8710ead95d032865fa612938457e524d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.710865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045087/manifest.json
observed 3e5634c69459d4e99e042b498f39ffc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.689111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045087/publication.md
observed 534b61b8c7bb17d87c65679f12e8ac8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.668417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045087/publication.txt
observed cf66531e5b5028a1d3404ae445355bd9...
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.