OpenTechnical

OT-2026-000033195

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000033195) never changes.

Identity and time

Publication numberOT-2026-000033195 · never reused
Internal UUID01a0ae75-4844-7015-9088-86a1dec54951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033195
StatusPUBLIC

Content hashes

Canonical text6f9dd883a702a17fef0b75c6abe341e7f41fc4b01ee77508df27d62afa336b0b
Markdown642cef0d548b0cf6c46f27e42084a48c1a2970633d2ffcc6cb5e68985ae2f7f7
PDF
Publication pagef1f4ce97d9bd143d42413c5e28ceca8278c7586e903bde10537d08e13182aa50
Manifestd503dbdd9a32e5e4e4eed00f5cf1760ce2933bea7e43fa750a7dc14f2a1cac09

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
SignaturegQBGnpJm4UyozUzD31U3JJmigGxAnhuNCVVDCeR46Eb1eifJchN/YWudVs/+V58pFj4YsO/Io8LVGZoeZuagBg==
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

2026-09-17T11:32:53.524333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033195
observed f1f4ce97d9bd143d42413c5e28ceca82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.508320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033195/manifest.json
observed d503dbdd9a32e5e4e4eed00f5cf1760c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.492404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033195/publication.md
observed 642cef0d548b0cf6c46f27e42084a48c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.476624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033195/publication.txt
observed 6f9dd883a702a17fef0b75c6abe341e7...
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.