OpenTechnical

OT-2026-000103911

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000103911) never changes.

Identity and time

Publication numberOT-2026-000103911 · never reused
Internal UUID01a0aea5-15e7-7705-ae59-84c81bcb1dc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103911
StatusPUBLIC

Content hashes

Canonical text08de0d5f0d98abc612a1cb45e4f617593819e87b3f1b2526d934481a8c4df761
Markdownd2b088bd4d323886c033d6a034d7fce1c0e85b891a6cea8278946d96ceab7cad
PDF
Publication pagec2b4d797c26354e05c5f483e434b2cd7165ce246d4eb06429b20851f728bd1e3
Manifestaff8c077bdb63050a3abdb50e9be8f4fc5dff75ac5bb3afe0618f0baa3d0e2dc

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
SignaturehfgXgKyKQCJquvWBlp7JNnrcwczz1Js0VY5FR1m3YpK8DIikzOmrC6PdFxYj295WUyxWBZao8gLu0QTjESE0Cw==
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

2026-09-17T09:21:54.297145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103911
observed c2b4d797c26354e05c5f483e434b2cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.279292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103911/manifest.json
observed aff8c077bdb63050a3abdb50e9be8f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.261705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103911/publication.md
observed d2b088bd4d323886c033d6a034d7fce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.243766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103911/publication.txt
observed 08de0d5f0d98abc612a1cb45e4f61759...
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.