OpenTechnical

OT-2026-000045302

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000045302) never changes.

Identity and time

Publication numberOT-2026-000045302 · never reused
Internal UUID01a0ae7c-f76b-7b72-b218-106499ee2236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045302
StatusPUBLIC

Content hashes

Canonical text3ab93350654c4150412b93b5d6fff17cee6ccc2ccd7f10fa7bda94df8cf05547
Markdown75b92057d45c7fc29e9ab19988a5c427e1009b39bf26ed7d7616a6714cb68982
PDF
Publication pagee951bc5c0eaf3521615c4b82d0b056ee6b1c62561dce02a8c35f016635fa5534
Manifest683c13b8bdedcc986f1fc6af74eb3d33cf3f9622ee4e603d619c387ece2dbb65

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
SignaturelEvqi6nmld9S8Pr7VVUJX3sVWOYHUrIE9iwlWMKQ8SLBhEkXAj36ZfK3awFW5MB/6vx2yHdUt3HsDOWWm3SRAA==
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

2026-09-17T11:10:32.730708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045302
observed e951bc5c0eaf3521615c4b82d0b056ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.712666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045302/manifest.json
observed 683c13b8bdedcc986f1fc6af74eb3d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.692311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045302/publication.md
observed 75b92057d45c7fc29e9ab19988a5c427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.673674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045302/publication.txt
observed 3ab93350654c4150412b93b5d6fff17c...
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.