OpenTechnical

OT-2026-000028582

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000028582) never changes.

Identity and time

Publication numberOT-2026-000028582 · never reused
Internal UUID01a0ae72-e2f8-7166-bf36-3e36421c4008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028582
StatusPUBLIC

Content hashes

Canonical textf67f827bf7e5e452dd1920c646ffdef5e734c4c96abd146f4c895b2cf177d340
Markdownc6d5ac8f3654c7c46cac3ce5a06dbc1ed11f54b5b989330baa453fac449e8a55
PDF
Publication paged6c10aac60ce4dd92462d715ab8ab2d8f67e8c43a7f8861feaf1634e02b0ac0f
Manifest96472f54b5fa78122dcce1ddb0850123195409498c1f4026c672a107b1366891

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
Signature7NZKREu0gf2Qn3qD6D3Njhclu6Sv5u5kKTg5VUguqe1IL+25TUfWq/3fu2hjfjO25OAlkwIens0n9lhCF3G5Dw==
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

2026-09-17T11:40:52.449838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028582
observed d6c10aac60ce4dd92462d715ab8ab2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:52.430649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028582/manifest.json
observed 96472f54b5fa78122dcce1ddb0850123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:52.412467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028582/publication.md
observed c6d5ac8f3654c7c46cac3ce5a06dbc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:52.393451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028582/publication.txt
observed f67f827bf7e5e452dd1920c646ffdef5...
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.