OpenTechnical

OT-2026-000014216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000014216) never changes.

Identity and time

Publication numberOT-2026-000014216 · never reused
Internal UUID01a0ae6d-b279-7757-8863-2d72b61b39ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014216
StatusPUBLIC

Content hashes

Canonical text548cd11e3b1890fc4fa3a7e85b63dda8e0be9e13efcaaa933896ab4f33cfea59
Markdowne41dababef19878922ce9a88832b1fe3940f09a4e32126d5fdea42d9a98900dd
PDF
Publication pagefb550f86adb57b10a10183d9b6988d82d3dd209872b6e6f7baf113f98589801e
Manifest4da68c9a937d601694073db7b9141252bd3d66dbac7c56199d1190039c854b68

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
SignatureOPLCFgsHTOXUh7pSYDGaAPC37vco43YK8eMPy3Vbraz/e9Rb4lhDgzTiI+bN6f6KUM6L1K3mXqTmqDTLnIHDBA==
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

2026-09-17T12:07:19.441693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014216
observed fb550f86adb57b10a10183d9b6988d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.422333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014216/manifest.json
observed 4da68c9a937d601694073db7b9141252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.403056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014216/publication.md
observed e41dababef19878922ce9a88832b1fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.384573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014216/publication.txt
observed 548cd11e3b1890fc4fa3a7e85b63dda8...
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.