OpenTechnical

OT-2026-000102163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000102163) never changes.

Identity and time

Publication numberOT-2026-000102163 · never reused
Internal UUID01a0aea4-50f2-7807-8c03-45f136d6a237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102163
StatusPUBLIC

Content hashes

Canonical texta157f364e0d4ce18c9fc369a5921e2a415d0dda127ecfc5cec1ae0519b0b6b95
Markdowncd183227d86762a3113b4c8956edf8de909724dadcec28a79b1d100fa0988036
PDF
Publication page94409de1cabbf8c2f15b30b6d39cbecc8c7384ab008716eb86c1811bb0775fc5
Manifest5ee7bfb3845f4aefe91b63486e3c811e2f0c3f188b82a2f098e7b135829e91ad

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
SignaturenN0LUxjH0NmKIQgs+YB399uzIBMPmsnhvKPe1mK7TF4Mh0oRvSW+ORTcsYjiG8Xoc1kN823+p63OoUbje8E3Dw==
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

2026-09-17T09:25:19.929319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102163
observed 94409de1cabbf8c2f15b30b6d39cbecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.911530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102163/manifest.json
observed 5ee7bfb3845f4aefe91b63486e3c811e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.894593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102163/publication.md
observed cd183227d86762a3113b4c8956edf8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.877966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102163/publication.txt
observed a157f364e0d4ce18c9fc369a5921e2a4...
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.