OpenTechnical

OT-2026-000050751

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050751) never changes.

Identity and time

Publication numberOT-2026-000050751 · never reused
Internal UUID01a0ae82-c7b1-7168-879e-764393c8cc28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050751
StatusPUBLIC

Content hashes

Canonical text88eade864ce130f0f25fd8c23464f5930ce5fba6fbb76f581d300b0cce4548b9
Markdown7586b04c20a4faeffe5673f8645c753a99d796d55f9d1c0fad1358a964f77488
PDF
Publication page3a5022a9270a14ef9816c6ab27b880f738dd674b67826a2746065109eb82747e
Manifestb42174ad8967ecf50c0d13cca407577d68b13f22f03389d05e56eda63059e7fc

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
SignatureMIMrwS8E07KREQ12OMbdE3OpgfJ8vVDr8sS5TlwfjoVyCs7zvtExe/7LcGvCUTo7ihKIKYu+eyy0+y51WU+gDg==
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

2026-09-17T11:00:07.988386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751
observed 3a5022a9270a14ef9816c6ab27b880f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.987194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751
observed 3a5022a9270a14ef9816c6ab27b880f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.963558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751/manifest.json
observed b42174ad8967ecf50c0d13cca407577d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.961553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751/manifest.json
observed b42174ad8967ecf50c0d13cca407577d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.939807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751/publication.md
observed 7586b04c20a4faeffe5673f8645c753a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.937569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751/publication.md
observed 7586b04c20a4faeffe5673f8645c753a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.906894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751/publication.txt
observed 88eade864ce130f0f25fd8c23464f593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.873898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050751/publication.txt
observed 88eade864ce130f0f25fd8c23464f593...
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.