OpenTechnical

OT-2026-000036411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000036411) never changes.

Identity and time

Publication numberOT-2026-000036411 · never reused
Internal UUID01a0ae77-01d1-77a1-b8c4-5dcd9a5efdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036411
StatusPUBLIC

Content hashes

Canonical text87b562265796e213377988dffc468046b60bb12444f823e5451683e0317930d4
Markdownb3526ac3be9e9d2dfc67d5384acd4be70cf54284fd261670afeb37f154530bc4
PDF
Publication page525bf05870abf3972ff97b6d6f6f848ae903a2ca5da1c517605b45cf9ea8706d
Manifest0f47bb9728b6f2216f1a267b50bc007863ac97ae51330592e051a7493c76fcab

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
SignatureHs4G2yDNQm+tgkJ5oQzAwK1q8I3R6LYKCHHXeQ7WpB6ajVpWJS7zhCQKTqQtpwUTMdj1fAktpmR/zjVzGzs6CQ==
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

2026-09-17T11:26:47.988698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036411
observed 525bf05870abf3972ff97b6d6f6f848a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.969769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036411/manifest.json
observed 0f47bb9728b6f2216f1a267b50bc0078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.951654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036411/publication.md
observed b3526ac3be9e9d2dfc67d5384acd4be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.932790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036411/publication.txt
observed 87b562265796e213377988dffc468046...
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.