OpenTechnical

OT-2026-000013952

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000013952) never changes.

Identity and time

Publication numberOT-2026-000013952 · never reused
Internal UUID01a0ae6d-8dea-7588-a913-c4ff1f37ae18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013952
StatusPUBLIC

Content hashes

Canonical text7cd2c7c893692670aa2e76975747f4d03285bf8e583beefba9b3a4054611f806
Markdown3a478764f025971619db55b22d46b4084dc74d0674d5762481aafb586888173b
PDF
Publication page08f5d15ada9773bdd3804a2bc91feaff499921dc5ffa104512cabc20ac1c0d2a
Manifest7eac7bd7b338db149598b6efa5795634fb989405c2dddf880fd9cc8b62edfddf

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
SignatureLGOG2XgxaQR6WZalJg62WoNebF5sCCHJGDJSn2RX+j3FEfC5RUWarbLmNFzqMNuPPPyu3JjmQWg4AUVekY2+BA==
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

2026-09-17T12:09:09.260369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013952
observed 08f5d15ada9773bdd3804a2bc91feaff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.232315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013952/manifest.json
observed 7eac7bd7b338db149598b6efa5795634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.211165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013952/publication.md
observed 3a478764f025971619db55b22d46b408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.188279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013952/publication.txt
observed 7cd2c7c893692670aa2e76975747f4d0...
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.