OpenTechnical

OT-2026-000045511

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000045511) never changes.

Identity and time

Publication numberOT-2026-000045511 · never reused
Internal UUID01a0ae7c-f76d-7e94-81bf-cece624e4658 · 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-2026-000045511
StatusPUBLIC

Content hashes

Canonical text05e7f7aff92347d6f93bb2260331087003d01fc78a75d659112a6a45055b5a2c
Markdown37aee70d0d1ec806c63e4a7012e7532f94b8cf1eab53f6300f991d31d44b991b
PDF
Publication page3a7ca87c94c281f6b3def3d60798f94453e9afc85ceaafd5d86e95608cc1b1a8
Manifest43861226a1e2a83d03ef83164498273072a1aa1f2e2ab87be1fc5961a69554f6

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
SignatureuUP36aq+6PHck1r0ul/JLpDfKRCVrMacnWN7ymV8Lxfp9zpeWM11cq+aVZMakl86/qaaPwZb/P3x8DZTsIgJAg==
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

2026-09-17T11:11:19.941338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045511
observed 3a7ca87c94c281f6b3def3d60798f944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.924319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045511/manifest.json
observed 43861226a1e2a83d03ef831644982730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.906481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045511/publication.md
observed 37aee70d0d1ec806c63e4a7012e7532f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.889327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045511/publication.txt
observed 05e7f7aff92347d6f93bb22603310870...
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.