OpenTechnical

OT-2026-000046907

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000046907) never changes.

Identity and time

Publication numberOT-2026-000046907 · never reused
Internal UUID01a0ae7e-d0f6-7146-8663-af85072541d5 · 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-2026-000046907
StatusPUBLIC

Content hashes

Canonical text6297c6a916f08a9d06354e9003306475148139f4c4271bd18d1f270cec85dc8f
Markdowne6cdd440afa95db98cf61020268150430b361947cc3b66ff41fe4776e7fae4b6
PDF
Publication page74b2790b1bc5924ea4515d392285a6c1c35599edcbb286e447bfde9f7c25add5
Manifest8ec4bb0d5d5620af9bd41e16f7d533b434b528ea0bd3270c4ad934a93eb4566d

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
SignatureDYyshsAJGwFduBV3GgD4ZOC6PHgJVrIPjQWNaewpkw8SA4woCGw9lLjUDEpjtsF2xck6dbVW3CW6vtm3Le4KBQ==
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

2026-09-17T11:10:02.959206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907
observed 74b2790b1bc5924ea4515d392285a6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.941112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907/manifest.json
observed 8ec4bb0d5d5620af9bd41e16f7d533b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.920155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907/publication.md
observed e6cdd440afa95db98cf6102026815043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.901809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907/publication.txt
observed 6297c6a916f08a9d06354e9003306475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:37.412199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907
observed 74b2790b1bc5924ea4515d392285a6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:37.390678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907/manifest.json
observed 8ec4bb0d5d5620af9bd41e16f7d533b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:37.369893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907/publication.md
observed e6cdd440afa95db98cf6102026815043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:37.349513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046907/publication.txt
observed 6297c6a916f08a9d06354e9003306475...
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.