OpenTechnical

OT-2026-000011983

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum 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-2026-000011983) never changes.

Identity and time

Publication numberOT-2026-000011983 · never reused
Internal UUID01a0ae6d-1943-7a0f-b9d3-2beaaeb9b43b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011983
StatusPUBLIC

Content hashes

Canonical text2e0bd75149a20cc6881df38e11f29a62bf21e578ab7e6ebbd19fa1af2ed9b311
Markdownd3e6a1700df064313900aec1a696d8936a41338a06debd43a1fb213ff17383c1
PDF
Publication page8a13370c580723a87dcb8074d56b6cd0b14d98580be2fce04cad78c8fe93cd06
Manifest33856053bb93853a049a566b7fe4866481ead8973c2a717585e502488373f354

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
SignatureCNXDdveAzoOCuXTLBS7/zeK+DTtUBVQDzuWGnoj6/ZH3zGB2vlmlbH6Dxfm06LFteijOdjPl4bRzJ2njUItHBQ==
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

2026-09-17T12:12:50.534570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011983
observed 8a13370c580723a87dcb8074d56b6cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.516416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011983/manifest.json
observed 33856053bb93853a049a566b7fe48664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.498442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011983/publication.md
observed d3e6a1700df064313900aec1a696d893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.479903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011983/publication.txt
observed 2e0bd75149a20cc6881df38e11f29a62...
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.