OpenTechnical

OT-2026-000097988

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000097988) never changes.

Identity and time

Publication numberOT-2026-000097988 · never reused
Internal UUID01a0aea1-92f7-7ea8-a3cc-d3b16bccfefb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097988
StatusPUBLIC

Content hashes

Canonical text047fab9439a15d4881e088590eb05c1005bfb6f768f3c7921794d0b22124cc44
Markdown4e1f9bc1c73b1682434b6563089aa3d90360e02ac35638b1d11c27494ac8fca2
PDF
Publication page0db361b9cbf89768a6998976de0479844ce9ad8fac60ff3d354363ea19ec5c5c
Manifest7a04f5386e0a465e00e698b5e789a633b175ca1aecf033d103fa7105d835bbcb

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
Signature5ckmUo27Wzp6Xs0tFuoOoHvtYn391+ZfISLPoNxCfLxrKctayXCJYFqsQCC/cz7A0cEZK3jJw/JSSBsKAY/QBw==
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

2026-09-17T09:33:08.348603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097988
observed 0db361b9cbf89768a6998976de047984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.326458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097988/manifest.json
observed 7a04f5386e0a465e00e698b5e789a633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.306909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097988/publication.md
observed 4e1f9bc1c73b1682434b6563089aa3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.288374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097988/publication.txt
observed 047fab9439a15d4881e088590eb05c10...
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.