OpenTechnical

OT-2026-000047119

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000047119) never changes.

Identity and time

Publication numberOT-2026-000047119 · never reused
Internal UUID01a0ae7e-d0f8-7b98-99e1-cde2f97c7838 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047119
StatusPUBLIC

Content hashes

Canonical text78cbe7769adc0f9c7d8d5bf987996b9762520d2c6168581d370e639e84bb2b43
Markdownfff8d7a742d17e136b5b313ae153cf645012b74d1f7e5d17d0344cf303596260
PDF
Publication page38793f3d64a7f948d01c347472e93282c5d1cfa2f80bcfe459b3e8b36f2197c5
Manifest7e9df6e1d3f2721280bd931292962ee61a70c932b627fe87bfa5c951a862a329

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
SignatureOFKkJeEO7GsSxiU6lMvPYk0lhBzPZ8l7U6mSyQOsLbypATLq1WMekRMtyuWpYio2ZCIZdBQTayQPUXmsZQ4yCQ==
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

2026-09-17T11:10:26.867730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119
observed 38793f3d64a7f948d01c347472e93282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.849931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119/manifest.json
observed 7e9df6e1d3f2721280bd931292962ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.831810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119/publication.md
observed fff8d7a742d17e136b5b313ae153cf64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.809907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119/publication.txt
observed 78cbe7769adc0f9c7d8d5bf987996b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.133954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119
observed 38793f3d64a7f948d01c347472e93282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.115079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119/manifest.json
observed 7e9df6e1d3f2721280bd931292962ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.096846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119/publication.md
observed fff8d7a742d17e136b5b313ae153cf64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.077750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047119/publication.txt
observed 78cbe7769adc0f9c7d8d5bf987996b97...
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.