OpenTechnical

OT-2026-000031959

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000031959) never changes.

Identity and time

Publication numberOT-2026-000031959 · never reused
Internal UUID01a0ae74-bad2-7528-b888-ed272b2fce6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031959
StatusPUBLIC

Content hashes

Canonical text1b77c8a6be5acef15987ceadff2352c4021378c91f5244f5438be1f34a76edb3
Markdownba0759253c14d2d8f653c0503dd8e434c6e1a7fdbbb75886b9d3fe32849b38b0
PDF
Publication page461b01af22dbadbe06a68d444b7e61e784a90976a8ce1ef47c3bfd44a2f0c30d
Manifestdc062184ce36f880ccd31ce8ec582df4cf51dbd9d31858dfa6b02d92a9c2863e

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
SignatureNETovAl/sn9lDPsdvZ1fupony7GguIB+O97DZ8VWG89QPJiJCGn0697eobVpvSg9xvMN+v/feRlrYUhpdwdwCA==
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

2026-09-17T11:35:14.849127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031959
observed 461b01af22dbadbe06a68d444b7e61e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.829632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031959/manifest.json
observed dc062184ce36f880ccd31ce8ec582df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.808332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031959/publication.md
observed ba0759253c14d2d8f653c0503dd8e434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.789921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031959/publication.txt
observed 1b77c8a6be5acef15987ceadff2352c4...
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.