OpenTechnical

OT-2026-000011311

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000011311) never changes.

Identity and time

Publication numberOT-2026-000011311 · never reused
Internal UUID01a0ae6c-88fd-7ba6-9e36-09f88f53037a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011311
StatusPUBLIC

Content hashes

Canonical text7e0580e22a6f5eda682754d1d5f5589b790c189e1deec5c63bcb979b32fd3760
Markdown78decbb8288207b5caf11a36f1ec693f607b0a03e3e635f2828bccf0ee6f6e56
PDF
Publication page08c22a74777199532794dac32c297f700568ba399f90f534ae700978f8c87997
Manifeste245f8757cc99fdbbd1fde4f9503e9972d0571619d7835c61f4bc3566cd4d26d

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
Signaturea4mOppZkez2eqIMfd6qJEpB5D5YfYsMkv/MXce6qeC6/tYEUsd7smyWqNs+8yk53c53nsKp4MUH1nI5G8LwGCQ==
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

2026-09-17T12:13:01.689002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011311
observed 08c22a74777199532794dac32c297f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.670897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011311/manifest.json
observed e245f8757cc99fdbbd1fde4f9503e997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.652594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011311/publication.md
observed 78decbb8288207b5caf11a36f1ec693f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.635008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011311/publication.txt
observed 7e0580e22a6f5eda682754d1d5f5589b...
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.