OpenTechnical

OT-2026-000084129

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000084129) never changes.

Identity and time

Publication numberOT-2026-000084129 · never reused
Internal UUID01a0ae98-5b5f-7b3f-806a-37e86a159c1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084129
StatusPUBLIC

Content hashes

Canonical textc221c7a5c87be96d793b0cc2b3788c7b7ffd062de6d7e4559f9bbd4c66647c71
Markdownede768477f9b7d508aa2df323f792f575d824948a1ff85c262257e71d68af09c
PDF
Publication page1d1034a2ff350072f5e9b1af991b554726971d1d9841042403389766cb2f63b6
Manifest740bf8912c6dec0312cda9c1756d98ad6183f292b3fc0db7330806537cdea670

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
Signatureygwj/GZXAKBaFGJ7EhE6O/i/6heUoyWpux2ZC7PnMC2qn7uysjfWdvOk3i+UMD+Q9M1dWbtmQ3fCeGdnBjdMAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:53.543888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084129
observed 1d1034a2ff350072f5e9b1af991b5547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.523098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084129/manifest.json
observed 740bf8912c6dec0312cda9c1756d98ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.505185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084129/publication.md
observed ede768477f9b7d508aa2df323f792f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.484583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084129/publication.txt
observed c221c7a5c87be96d793b0cc2b3788c7b...
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.