OpenTechnical

OT-2026-000029843

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000029843) never changes.

Identity and time

Publication numberOT-2026-000029843 · never reused
Internal UUID01a0ae73-ac47-74c8-98a1-72cebd33ba6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029843
StatusPUBLIC

Content hashes

Canonical text6c840f982bdaaf81fbcf8a5f4aa0f4357b1e3a7213dabeea67daa3b82e63cf9a
Markdowncda381cf7f7f77e692ece5afedccb33c80ebcf49a4f3df6f319683e0c9ad71dd
PDF
Publication pageca831e889833e81f124af288d507e59abbda345e9c427ce649e6d06a8e00b9fe
Manifest1d593b8606f374c5f9782f99492655a265ba8ae4148185b87ccf885d54460ebf

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
SignaturenpAC3/jth0xAO1mokS4+YiHXyrO2DJSI6BhjYA8L8q8EXlEKdhs3v3znDZBX7ni6ER755j+gHYnWjqCwtSaIBw==
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

2026-09-17T11:38:32.132191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029843
observed ca831e889833e81f124af288d507e59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.096035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029843/manifest.json
observed 1d593b8606f374c5f9782f99492655a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.063193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029843/publication.md
observed cda381cf7f7f77e692ece5afedccb33c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:31.107590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029843/publication.txt
observed 6c840f982bdaaf81fbcf8a5f4aa0f435...
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.