OpenTechnical

OT-2026-000005796

Publication integrity record

Vacuum cup gripper, plant vacuum fed, contact triggered, rubber cups, flat form

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-2026-000005796) never changes.

Identity and time

Publication numberOT-2026-000005796 · never reused
Internal UUID01a0a945-2961-70f1-aa32-802d0c31dff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:17.219353Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005796
StatusPUBLIC

Content hashes

Canonical textb7913e1663367ef314680cb4a8c77639cf279b96c643509298187b99ca058382
Markdowna6b9202d71838a73b76169cc4e618837411d7f53f7139a28b55ce6a84ba72df5
PDF
Publication pagedbbbc8bc8e2db44d5e1bbf8cdf8d267e1144641ac8174a56ab4c0390a37656c0
Manifest7642c5fc95d7bf089d22da0c6b0d927365c3034994731ce50f4aba21d26a19cd

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
Signature3oSU1+Dgnue6yQmYUCX8qC+1Yu2TdIdxwQq8H3iRMtGec1ILEvlOfGN9mOy54ZMtKfPys1KwglLOHZLdApLEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:31.968012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005796
observed dbbbc8bc8e2db44d5e1bbf8cdf8d267e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.954964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005796/manifest.json
observed 7642c5fc95d7bf089d22da0c6b0d9273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.941549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005796/publication.md
observed a6b9202d71838a73b76169cc4e618837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.926250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005796/publication.txt
observed b7913e1663367ef314680cb4a8c77639...
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.