OpenTechnical

OT-2026-000095344

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000095344) never changes.

Identity and time

Publication numberOT-2026-000095344 · never reused
Internal UUID01a0ae9f-8f71-760c-ab18-a93cc1b5049d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095344
StatusPUBLIC

Content hashes

Canonical textf990ad6e7ebdef6ee198552d54d3e5b45258b5cc589e6bfb6fe40b7520e806d2
Markdown06ed942536d169e80a3b6770bb3b500dfb7af0462a3dafd4923abdc6ac89c6bd
PDF
Publication page2b821ec61f97aa6ab3d269dbd63b35c4cd12fadd74fe9266c0ff0aa2ecf2b1ed
Manifest49c2a05f455e08bcde162d77de25d3bd4644329d22b723467d43b58300a1067f

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
Signature4mWMCijVqbcM3Hbo/kkbW1cgRIH+rlCdNbjWzUDEKwGAecP7CC5sOSqI6Qinu3cPTCLM/vA8BrJsn6mgMUsEAw==
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

2026-09-17T09:36:42.223746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095344
observed 2b821ec61f97aa6ab3d269dbd63b35c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:42.204098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095344/manifest.json
observed 49c2a05f455e08bcde162d77de25d3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:42.184132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095344/publication.md
observed 06ed942536d169e80a3b6770bb3b500d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:42.165315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095344/publication.txt
observed f990ad6e7ebdef6ee198552d54d3e5b4...
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.