OpenTechnical

OT-2026-000043891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000043891) never changes.

Identity and time

Publication numberOT-2026-000043891 · never reused
Internal UUID01a0ae7b-d677-72e6-8d7d-35ae00da5464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043891
StatusPUBLIC

Content hashes

Canonical text48f94f3a5c0a5a3640ef112b5f454ea5b552a1a9eb122aca7ff9c415e03b57cb
Markdown98b078c7f6d7262cabdc1e5c2a56c72ba4a1c0eb4739e6061dd40cfc8f2d7b75
PDF
Publication pagec1212c48f1ab6674152c282675275f1984cb40de160e0affb48b33d36676c68b
Manifestf81119f90f50dec3a35cc5e0cef535820e0de11c43dc317ffb4c99beb8361e23

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
SignatureFjo4bgjuWHhj6cHhepOY8o8fLvbBOZpH1EJF4RPopjxD7I9yWKRAUQe1sGGuM/dbq5o92ll/l+6IOqal+GPbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:13.459988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043891
observed c1212c48f1ab6674152c282675275f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.441265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043891/manifest.json
observed f81119f90f50dec3a35cc5e0cef53582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.423036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043891/publication.md
observed 98b078c7f6d7262cabdc1e5c2a56c72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.403935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043891/publication.txt
observed 48f94f3a5c0a5a3640ef112b5f454ea5...
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.