OpenTechnical

OT-2026-000081197

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000081197) never changes.

Identity and time

Publication numberOT-2026-000081197 · never reused
Internal UUID01a0ae96-f373-753b-86cb-5147431ea747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081197
StatusPUBLIC

Content hashes

Canonical text0945772343a3ef5513eac0c5d92b20f0ea89caa994a6180bce2be5240383cf39
Markdown52897fee56fa23ca007ff598431cdf69791599803f32c0161836f397083a2f78
PDF
Publication pageacf1c58f43b9004cdb500b512fde0d9e460894db84625acc29978e38b1959303
Manifest595fd9d65ccd13cf3f819d57aa203d6cb37cff045b61f6f607377dc202e9daed

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
SignatureXuFI88KqIA6GN4Vu81vOcOvuckdK4xrsVw+wjQ6GALmN+xWnQu6OwNhTCbWlvYkb8paa3nd+xyNcB/qKeSK1BA==
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

2026-09-17T10:01:16.186339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081197
observed acf1c58f43b9004cdb500b512fde0d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.167869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081197/manifest.json
observed 595fd9d65ccd13cf3f819d57aa203d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.149459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081197/publication.md
observed 52897fee56fa23ca007ff598431cdf69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.131757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081197/publication.txt
observed 0945772343a3ef5513eac0c5d92b20f0...
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.