OpenTechnical

OT-2026-000076113

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000076113) never changes.

Identity and time

Publication numberOT-2026-000076113 · never reused
Internal UUID01a0ae94-6a6e-7d83-a13f-5a5c6695e7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076113
StatusPUBLIC

Content hashes

Canonical textd7af5198b4b0024f166fb4578aab236a91dc6175290585280ae37e724653cdaa
Markdown0aee46d82cbb30ffa24fc885f10fa4e6541c53a13e0557161d4d1ad462998b06
PDF
Publication page55494a3a2a73e63b090fd8d7a6abd12840c8d8cfbaadaf5c453db55e2d4eb500
Manifestbd2522398fa89f2132994405a6fcd6a3713128ccc7c91a451f36d9fb04b8e164

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
SignatureexaR7+mf0J4W0dxkCfMZT6aDUM2A1RyZOyjNDjM16K0AkC99MHE2KmoyIPWHmC5zFngGa2SgGxNA6rhYig1/AA==
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

2026-09-17T10:11:02.740567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076113
observed 55494a3a2a73e63b090fd8d7a6abd128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.724223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076113/manifest.json
observed bd2522398fa89f2132994405a6fcd6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.701599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076113/publication.md
observed 0aee46d82cbb30ffa24fc885f10fa4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.559303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076113/publication.txt
observed d7af5198b4b0024f166fb4578aab236a...
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.