OpenTechnical

OT-2026-000019442

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000019442) never changes.

Identity and time

Publication numberOT-2026-000019442 · never reused
Internal UUID01a0ae6e-f393-79ba-bc1e-b6288d020d20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019442
StatusPUBLIC

Content hashes

Canonical text46822323f731558953c268782b442825b44a30fe33912e90d67767d4129cf7f6
Markdown06008a93540b5f083c7df14e50418a93fd21e3654f1522e26dc7386ce399bad0
PDF
Publication page9b02af8b6982bd36f9eb140a0a83757ee5e1901bebbd465e734948383643918e
Manifeste1f50f0282ff4ef43214e86a15d4f634c71292bc7a6eb6c012a02b0135ec0a22

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
SignatureemRdijGl4A8i9iUtmNWbOAXFJcLNYq6+c2mjLtvrHUl4xsje/HREk9jDt6f1p8Zowd5xTjVn2Ol8mtBLWn12Aw==
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

2026-09-17T11:58:50.388550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019442
observed 9b02af8b6982bd36f9eb140a0a83757e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:50.371494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019442/manifest.json
observed e1f50f0282ff4ef43214e86a15d4f634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:50.353020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019442/publication.md
observed 06008a93540b5f083c7df14e50418a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:50.335537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019442/publication.txt
observed 46822323f731558953c268782b442825...
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.