OpenTechnical

OT-2026-000100679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100679) never changes.

Identity and time

Publication numberOT-2026-000100679 · never reused
Internal UUID01a0aea3-66f3-7cb2-ba41-ae2cdbc7437b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100679
StatusPUBLIC

Content hashes

Canonical texte4820ca78274ab3635ff809d3d43d3a29e9320886f2b6009f2038cc8b76125f6
Markdownba84415bd74a574372b71276dc00b9a84487543350daa0ab3e246f48e103fc0e
PDF
Publication pagee21e03e4dc190954d016f12004bc23e574a128dc7e7775a50244927800c181bd
Manifestc2178d880ed1ba160e023ae195e880dc83d8275ebb4613a417360a84b8400e87

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
SignaturerPP8uHWnaoYYjb6Ey6RrXF+3ZuTO9pgRaEAOlashMnMCqTJJ4WGSHEnI9w8WCx9H5xVIXyDGGZcVnArILNNdBw==
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

2026-09-17T09:27:29.632863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100679
observed e21e03e4dc190954d016f12004bc23e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.614155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100679/manifest.json
observed c2178d880ed1ba160e023ae195e880dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.596840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100679/publication.md
observed ba84415bd74a574372b71276dc00b9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.580744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100679/publication.txt
observed e4820ca78274ab3635ff809d3d43d3a2...
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.