OpenTechnical

OT-2026-000040100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000040100) never changes.

Identity and time

Publication numberOT-2026-000040100 · never reused
Internal UUID01a0ae79-26fd-7241-b1b2-4b6637b1730a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040100
StatusPUBLIC

Content hashes

Canonical textcd98e261df4256eea1e6c8ced02f5597552906b1987e00a8c81428544d21121c
Markdown81f8b1b2581e4add2b7176b789f4b6c7fc6251814019a5cba9e769151bb6c708
PDF
Publication pagebc2d3953ccd18e213a9d6d66e43057f119898d8a9b5a41442573656a65b886cc
Manifestc6b39cc8a7a16e1dfb39ecb3c67ee645f6d7de1550f1379fbfaff9dfe7fbb7a1

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
SignaturezJw1QyccPfPVA787aUnqCteaT/YCCSlS5GknEBKrxxTy2FVdxed6wjHTqaB0nD1IfHKPs/7X0BhgWyW+nUOLAg==
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

2026-09-17T11:18:57.575625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040100
observed bc2d3953ccd18e213a9d6d66e43057f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.547596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040100/manifest.json
observed c6b39cc8a7a16e1dfb39ecb3c67ee645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.520726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040100/publication.md
observed 81f8b1b2581e4add2b7176b789f4b6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.494925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040100/publication.txt
observed cd98e261df4256eea1e6c8ced02f5597...
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.