OpenTechnical

OT-2026-000046351

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000046351) never changes.

Identity and time

Publication numberOT-2026-000046351 · never reused
Internal UUID01a0ae7e-57cb-7028-b28b-f248abc1bc2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046351
StatusPUBLIC

Content hashes

Canonical text884f5a21dab77809d772a4a9e3b20831c77bddb4c3b6701495d405f78e27ef4a
Markdown555ea510650d95f9e387c488a60fae0466212a2608bef5a9639636e1d46cf346
PDF
Publication page8804f19482e9b0f82e40fe7a439584755efde2844c6c812a2df2909ee56fe19c
Manifest5ec90793288bc20c38ceeecb23dbb786e0f64fcf7c2ea86cb1365f25add605d1

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
SignatureCf4B9UmBpcosP/t7vcXcbnM9lUhVzT4v8kLZscOaIBIKOfNbbsqRnMsafR8sjOuZRS/uoSfqdwbGNW+tnl8gAw==
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

2026-09-17T11:08:20.624816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046351
observed 8804f19482e9b0f82e40fe7a43958475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.606623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046351/manifest.json
observed 5ec90793288bc20c38ceeecb23dbb786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.589771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046351/publication.md
observed 555ea510650d95f9e387c488a60fae04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.569736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046351/publication.txt
observed 884f5a21dab77809d772a4a9e3b20831...
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.