OpenTechnical

OT-2026-000022333

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022333) never changes.

Identity and time

Publication numberOT-2026-000022333 · never reused
Internal UUID01a0ae6f-f4fd-764c-95ed-3ab59dea7612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022333
StatusPUBLIC

Content hashes

Canonical texte9f1db57cf4e47f9df174c84fc4669197408e49d4c3de5693932c6611dd2dfcd
Markdown23215325ff296cbdbec2736a76f06d5c5cc547cd0311575f5f67b685c9ba43dc
PDF
Publication page1cd3b09ace55195763eb56ceb1f92809023ae37419c21c0c3a7d9193f5f80e6c
Manifesta02994079eb999b837f85c364f58b243b8897e53ceb88fc788a79b8cb3764390

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
SignatureSWKgVrORI3ShsxG9XQPbEs/lxOXt5Nhp996Wl18wsWG74AprhAZejgp+IThfJDLfL83NLr0GBX0Arkb9w9dMBg==
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

2026-09-17T11:53:41.692302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022333
observed 1cd3b09ace55195763eb56ceb1f92809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.676798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022333/manifest.json
observed a02994079eb999b837f85c364f58b243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.660242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022333/publication.md
observed 23215325ff296cbdbec2736a76f06d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.642132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022333/publication.txt
observed e9f1db57cf4e47f9df174c84fc466919...
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.