OpenTechnical

OT-2026-000018706

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000018706) never changes.

Identity and time

Publication numberOT-2026-000018706 · never reused
Internal UUID01a0ae6e-d520-71d3-bd07-580a7cb88b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018706
StatusPUBLIC

Content hashes

Canonical text12f421852cb4f4f102d7c835200e9f34a9c5dfa97a453b780127259e878a6140
Markdown5b9de6ae8eb9bd7e33a60d0da3efc39a13fca14717bbe49c4fb7bd55d8660268
PDF
Publication page79510b8a122c8a9ea1e184fb62b484f3935f67d0b44d7156196052ca003857b1
Manifest1ec60476ef82c9bcad45051a9a645ffd1c9c4692545c4aaabeb231c8484a3000

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
SignaturetXHIYu7dnC8m6mEhC1DnH0YJYFgD3Zl/dqgS67SqflG+SRSyOuKAoLCfc5+EsptSTbgf4+kAFvPaoLsutLTkBw==
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

2026-09-17T11:59:18.569503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018706
observed 79510b8a122c8a9ea1e184fb62b484f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.552811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018706/manifest.json
observed 1ec60476ef82c9bcad45051a9a645ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.535859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018706/publication.md
observed 5b9de6ae8eb9bd7e33a60d0da3efc39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.518400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018706/publication.txt
observed 12f421852cb4f4f102d7c835200e9f34...
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.