OpenTechnical

OT-2026-000013585

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000013585) never changes.

Identity and time

Publication numberOT-2026-000013585 · never reused
Internal UUID01a0ae6d-6fcb-72ba-a42e-3f995caa6977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013585
StatusPUBLIC

Content hashes

Canonical textee282bf533fbba614913720900b9722a75eccd51d7a071e1686f8a24a2add402
Markdown155de562785348384cf1324185528f40d379639e8588de3c71619916753abd80
PDF
Publication page499d77bcd2f9b1363432934088b583646ce3c1e67715d3aaf062ac070e92cf91
Manifest790d4a56f1d29f9a2a19159ca5770cb797b34d4c2676c4620afc7173ee6a1b64

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
SignatureuZ5uBAW+8cGLXzG5Ykr7OmkHERVq1BMZtxzYyynmbVo5sb4e+cY/58hdR7eZH0W2GJsPb/ezj7qpA+N0AWGICA==
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

2026-09-17T12:10:08.110233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013585
observed 499d77bcd2f9b1363432934088b58364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.089930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013585/manifest.json
observed 790d4a56f1d29f9a2a19159ca5770cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.070817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013585/publication.md
observed 155de562785348384cf1324185528f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.048128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013585/publication.txt
observed ee282bf533fbba614913720900b9722a...
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.