OpenTechnical

OT-2026-000103684

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000103684) never changes.

Identity and time

Publication numberOT-2026-000103684 · never reused
Internal UUID01a0aea4-e462-7e0e-8fa1-a40d02122bf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103684
StatusPUBLIC

Content hashes

Canonical texte97ba96738746757f3393848a13a298e9a139f5c3ba92e1a5fc131dc19b1100c
Markdowncd35a8bffd4df05b1ef23a93aff31fed030affa91044f630b33d7d437fec1a10
PDF
Publication page737f2775c831a43785c1253847435af83101e5955df5ac033e9beae692c570db
Manifestc2150c446665e6a9bfc090482adb51684b8ff2f520e9ea09a9973ccb7e6814d1

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
SignatureHgZPWK7NXgUY1eYSeC6MWCzavzqwZi7u1vpTATvl08/1PWP7LdnmZGBRJXVQeIaaPp7otU4u6qEAbHJlb4sCAg==
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

2026-09-17T09:22:29.263862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103684
observed 737f2775c831a43785c1253847435af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.246470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103684/manifest.json
observed c2150c446665e6a9bfc090482adb5168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.230115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103684/publication.md
observed cd35a8bffd4df05b1ef23a93aff31fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.213410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103684/publication.txt
observed e97ba96738746757f3393848a13a298e...
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.