OpenTechnical

OT-2026-000103019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103019) never changes.

Identity and time

Publication numberOT-2026-000103019 · never reused
Internal UUID01a0aea4-be3d-7e55-a849-d084eb02d6ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103019
StatusPUBLIC

Content hashes

Canonical text7bb8b7a7813d831860d9194ef56e487006cbe8a1f4a9e2742a8ab403db1e86be
Markdowne3a0c8b608ba3c79bd429674b5a424d280d57f5da5aed172b2b7927aadf2b7f2
PDF
Publication page432f75e3707d044d8ed1d1c97db5d2fc2bf132bf835c1eb8d2186f11049612dd
Manifestbd8be709c78d64b42acb237446d17c706c88edc8d1beef6a555560a888178c74

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
SignaturenVpa9apkWS7ilDbBqd02Fg4WUJeXMaIxCVlQfI4rIrfzHImQUSdUZlpOpSuVURAmCOcVLKBI562eDxbvPiw1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:08.244808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103019
observed 432f75e3707d044d8ed1d1c97db5d2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.224163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103019/manifest.json
observed bd8be709c78d64b42acb237446d17c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.207075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103019/publication.md
observed e3a0c8b608ba3c79bd429674b5a424d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.189248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103019/publication.txt
observed 7bb8b7a7813d831860d9194ef56e4870...
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.