OpenTechnical

OT-2026-000102044

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000102044) never changes.

Identity and time

Publication numberOT-2026-000102044 · never reused
Internal UUID01a0aea4-50f2-71c8-aaa6-3cea22b1021b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102044
StatusPUBLIC

Content hashes

Canonical text6e9721cbe2e14a5058b5b043b94b1f6c732025f856b98b3b0715727fb9546a34
Markdown323ea95d27dce75ba77e5c9694aeba68c1fcf8e8e72ddf249aaba412f684eab2
PDF
Publication page385c2ad4ee291d2acf081fabf86e1152efb70b3b6a560962d089a5b7916dc63f
Manifestd42490884f3756d0b024ee114318cd38db7ae6cb24e1d926316a597fcf2afed8

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
SignatureFsCEVvncxj8JreuWBMdHB8ZuPHAGqQG3oLOgxk8DmIW/qjIYja51t5uULrw5uqjUlGT3qDzWTHNjbr+sAiMhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:10.919622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102044
observed 385c2ad4ee291d2acf081fabf86e1152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.898672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102044/manifest.json
observed d42490884f3756d0b024ee114318cd38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.879855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102044/publication.md
observed 323ea95d27dce75ba77e5c9694aeba68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.862110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102044/publication.txt
observed 6e9721cbe2e14a5058b5b043b94b1f6c...
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.