OpenTechnical

OT-2026-000102456

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000102456) never changes.

Identity and time

Publication numberOT-2026-000102456 · never reused
Internal UUID01a0aea4-8589-78c2-8b71-97addbe73260 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102456
StatusPUBLIC

Content hashes

Canonical text84254815bec9f88d47f96aed942b1c7945a5501f626841b4145b211cc363bcfd
Markdownbf769f6adc8d6931bbb40e142fa6d555987f46584520c67b041f7aec73b1208b
PDF
Publication page0120046a8cc983dde3740ff557e25d9cbc450df449bd6bc781db773184b026fe
Manifest3d690734e4bb1ac57b6dd370df1fe522656f80059eec89c9764051014a2dcacd

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
Signatures6XvCv/Q5VRDZ4R0fAEJlAhVLMpO/w9muGLZjFc1sHmVDArk1XC1ORlx5JHTSJt4OZDyjnXESfmDE01MiLtxAA==
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

2026-09-17T09:23:48.377526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102456
observed 0120046a8cc983dde3740ff557e25d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.358403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102456/manifest.json
observed 3d690734e4bb1ac57b6dd370df1fe522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.338566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102456/publication.md
observed bf769f6adc8d6931bbb40e142fa6d555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.318853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102456/publication.txt
observed 84254815bec9f88d47f96aed942b1c79...
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.