OpenTechnical

OT-2026-000029198

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029198) never changes.

Identity and time

Publication numberOT-2026-000029198 · never reused
Internal UUID01a0ae73-2aa0-7b2e-a7ee-29f6b13d349f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029198
StatusPUBLIC

Content hashes

Canonical textcd4ceb83a27c6ab0801b75cf26fa9842486b01f2869c95529cfbee458c201752
Markdown598fdbf28e1a60cc6d3d7c23b325c2e323dee77c34cf702b7f11d9ab769af4a4
PDF
Publication page40147602700be4d1bdaa6508382ea21b55b935b7594e314442ff4583073e796f
Manifest5253c2d61a2bf9809e665bef13917ac6a45b878bd97baa0ed3405b3620f0f8ed

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
SignaturenrRZ3RKB9v0HgbUrWaxPBvbaL4WRciSjYBj+w9UPCHxIdhOgSqxdQrcOtNtrxPqP+G3OBcHVkN17g2prw3H1BA==
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

2026-09-17T11:39:48.619157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029198
observed 40147602700be4d1bdaa6508382ea21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.599672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029198/manifest.json
observed 5253c2d61a2bf9809e665bef13917ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.580134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029198/publication.md
observed 598fdbf28e1a60cc6d3d7c23b325c2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.548028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029198/publication.txt
observed cd4ceb83a27c6ab0801b75cf26fa9842...
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.