OpenTechnical

OT-2026-000024215

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000024215) never changes.

Identity and time

Publication numberOT-2026-000024215 · never reused
Internal UUID01a0ae70-e8c8-7d0d-9cb9-5250cc9b50b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024215
StatusPUBLIC

Content hashes

Canonical text7617b914c6170da7621414ae5c264d0dbf2b892c869f12962ffc617f93622fed
Markdownfb95aac54ae6417fae4d5f2d2b50964027d8b6fa139dbbfbbad9222fb806f76f
PDF
Publication pagebdeee4f461d978115e5757c1d6fa7d0f3063d1cd4e1816a183e365e73141208a
Manifeste09c4baaadb018e2c7fc23f711be45a86c96971015d458544566231ca521da27

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
SignatureqgQTI9rbMIdqewn7TFVg8EfiK2vNG2pGhJAbRd7Pbx48CT1xyt9Y+unw6pDV4gOCbxyjGKGoLBVSss712BQ7AQ==
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

2026-09-17T11:48:40.749450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024215
observed bdeee4f461d978115e5757c1d6fa7d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:40.733325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024215/manifest.json
observed e09c4baaadb018e2c7fc23f711be45a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:40.715638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024215/publication.md
observed fb95aac54ae6417fae4d5f2d2b509640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:40.697733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024215/publication.txt
observed 7617b914c6170da7621414ae5c264d0d...
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.